How to Link the Three Financial Statements (Explained)
    Accounting
    Technical

    How to Link the Three Financial Statements (Explained)

    September 27, 2025
    14 min read
    By IB IQ Team

    Why This Question Matters

    "Walk me through how the three financial statements link together" is the single most common technical screening question in investment banking interviews. It appears in first-round phone screens, in-person interviews, and even coffee chats with junior bankers.

    This question isn't asked because it's the most complex topic in finance—it's asked because it tests whether you understand the fundamental mechanics of how businesses operate financially. If you can't explain this clearly, interviewers assume you lack the basic foundation needed for financial modeling and deal work.

    The question tests:

    • Technical foundation: Do you understand basic accounting principles?
    • Communication skills: Can you explain complex concepts clearly and concisely?
    • Confidence under pressure: Can you walk through something technical without freezing?
    • Attention to detail: Do you remember the connections and not skip critical steps?

    A strong answer demonstrates you're ready for the technical demands of investment banking. A weak answer—even if your resume is perfect—can end your candidacy immediately.

    The Three Financial Statements Overview

    Before explaining the links, understand what each statement does:

    Income Statement

    What it shows: Profitability over a period of time (quarter or year)

    Key sections:

    • Revenue
    • Cost of Goods Sold (COGS)
    • Operating Expenses
    • Operating Income (EBIT)
    • Interest Expense
    • Taxes
    • Net Income

    The bottom line: Net Income—the profit earned during the period

    Balance Sheet

    What it shows: Financial position at a specific point in time (snapshot)

    Key sections:

    Assets:

    • Current Assets (Cash, Accounts Receivable, Inventory)
    • Long-term Assets (PP&E, Intangibles)

    Liabilities:

    • Current Liabilities (Accounts Payable, Short-term Debt)
    • Long-term Liabilities (Long-term Debt)

    Equity:

    • Shareholders' Equity (Common Stock, Retained Earnings)

    The fundamental equation: Assets = Liabilities + Equity

    Cash Flow Statement

    What it shows: Cash movements over a period of time (quarter or year)

    Key sections:

    • Cash Flow from Operations (CFO)
    • Cash Flow from Investing (CFI)
    • Cash Flow from Financing (CFF)
    • Net Change in Cash

    The bottom line: How much cash increased or decreased during the period

    Understanding the complete IB and PE interview process helps you recognize that this question appears at every stage—from initial screens to final rounds—making it absolutely critical to master.

    How to Answer: The Complete Walkthrough

    Here's the step-by-step explanation interviewers expect. Practice until you can deliver this smoothly in 60-90 seconds:

    Step 1: Start with Net Income

    "The three statements are linked together by several key items. I'll start with Net Income from the Income Statement, which is the starting point for connecting to the other two statements."

    Why start here: Net Income is the bridge between all three statements and the most logical starting point.

    Step 2: Connect to the Cash Flow Statement

    "Net Income flows from the bottom of the Income Statement to the top of the Cash Flow Statement as the first line item in Cash Flow from Operations."

    Then explain the adjustments:

    "However, Net Income is an accrual-based number, not a cash number, so we need to make adjustments to convert it to actual cash flow. The main adjustments are:

    Non-cash charges are added back:

    • Depreciation and Amortization (these reduced Net Income but didn't involve cash)
    • Stock-Based Compensation
    • Other non-cash items

    Working capital changes:

    • Increases in Accounts Receivable (use of cash—added to assets)
    • Increases in Inventory (use of cash—added to assets)
    • Increases in Accounts Payable (source of cash—added to liabilities)

    After these adjustments, we arrive at Cash Flow from Operations."

    Step 3: Continue Through the Cash Flow Statement

    "Then we move through the rest of the Cash Flow Statement:

    Cash Flow from Investing:

    • Capital Expenditures (CapEx)—cash spent on PP&E
    • Acquisitions or disposals

    Cash Flow from Financing:

    • Debt issuance or repayment
    • Dividends paid
    • Stock issuance or buybacks

    The sum of all three sections gives us the Net Change in Cash for the period."

    Step 4: Connect to the Balance Sheet

    "This Net Change in Cash flows to the Balance Sheet and updates the Cash account. The Cash at the end of the period equals Cash at the beginning plus the Net Change in Cash from the Cash Flow Statement."

    Then explain other Balance Sheet connections:

    "Several other items connect the statements to the Balance Sheet:

    From the Income Statement:

    • Net Income increases Retained Earnings in Shareholders' Equity

    From the Cash Flow Statement:

    • CapEx increases PP&E (Property, Plant & Equipment)
    • Depreciation from the Cash Flow Statement reduces the book value of PP&E
    • Debt issuance or repayment changes the Debt balance
    • Dividends paid reduce Retained Earnings

    All these changes ensure the Balance Sheet equation stays balanced: Assets = Liabilities + Equity."

    Step 5: Close the Loop

    "Finally, the updated Balance Sheet becomes the starting point for the next period. For example, the ending Cash balance becomes next period's beginning Cash balance, and the cycle continues."

    Total time: 60-90 seconds when delivered smoothly

    Visual Flow Summary

    Here's the connection flow you're describing:

    Income Statement → Cash Flow Statement:

    • Net Income → Top of Cash Flow from Operations
    • Depreciation (from OpEx) → Added back in CFO
    • Interest Expense → Affects Net Income (flows through)

    Cash Flow Statement → Balance Sheet:

    • Net Change in Cash → Updates Cash account
    • CapEx → Increases PP&E
    • Debt issuance/repayment → Updates Debt balance
    • Dividends paid → Reduces Retained Earnings

    Income Statement → Balance Sheet:

    • Net Income → Increases Retained Earnings
    • Depreciation → Reduces PP&E (accumulated depreciation)

    Balance Sheet → Next Period:

    • Ending balances become beginning balances for next period

    Common Follow-Up Questions

    After your initial answer, expect interviewers to test your understanding with follow-ups:

    Follow-Up 1: "What happens if Depreciation increases by $10?"

    Answer:

    "If Depreciation increases by $10:

    Income Statement:

    • Operating expenses increase by $10
    • Pre-tax income decreases by $10
    • Assuming a 40% tax rate, Net Income decreases by $6 ($10 × 60%)

    Cash Flow Statement:

    • Net Income is $6 lower (starting point)
    • But Depreciation is a non-cash charge, so we add back the full $10
    • Net impact on Cash Flow from Operations: positive $4 ($10 added back minus $6 lower Net Income)

    Balance Sheet:

    • Cash increases by $4
    • PP&E (net) decreases by $10 (through accumulated depreciation)
    • Retained Earnings decrease by $6 (the Net Income decrease)
    • The Balance Sheet still balances: Assets decrease by $6 ($4 cash increase minus $10 PP&E decrease), Equity decreases by $6"

    Follow-Up 2: "What if Accounts Receivable increases by $15?"

    Answer:

    "If Accounts Receivable increases by $15:

    Income Statement:

    • No impact. Revenue was already recognized when the sale was made (accrual accounting).

    Cash Flow Statement:

    • The increase in AR is a use of cash (we made a sale but haven't collected cash yet)
    • In Cash Flow from Operations, we subtract $15 for the increase in working capital
    • Cash decreases by $15

    Balance Sheet:

    • Cash decreases by $15
    • Accounts Receivable increases by $15
    • Total Assets stay the same (one asset up, one asset down)
    • Balance Sheet remains balanced"

    Follow-Up 3: "Walk me through a $100 debt issuance"

    Answer:

    "If the company issues $100 of debt:

    Income Statement:

    • No immediate impact. However, future periods will have additional interest expense from this debt.

    Cash Flow Statement:

    • In Cash Flow from Financing, we add $100 for debt issuance
    • Cash increases by $100

    Balance Sheet:

    • Cash increases by $100 (asset)
    • Debt increases by $100 (liability)
    • Balance Sheet stays balanced: both sides increase by $100"

    Follow-Up 4: "Why is the Cash Flow Statement important if we have the other two?"

    Answer:

    "The Cash Flow Statement is critical because the Income Statement uses accrual accounting, which doesn't show actual cash movements. A company can show profit but run out of cash.

    The Cash Flow Statement shows:

    • Actual cash generation: How much cash the business truly produces from operations
    • Capital requirements: How much cash is being invested in the business (CapEx)
    • Financing activities: How the company raises or returns capital

    This is especially important in evaluating businesses because 'cash is king'—companies need cash to pay bills, invest in growth, and service debt. You can have positive Net Income but negative cash flow if you're growing rapidly and building inventory or extending credit to customers."

    Deepen your technical foundation: Linking the three statements is fundamental to understanding LBO modeling, valuation approaches, and M&A accounting—all of which build on these core connections.

    How to Practice This Answer

    1. Write It Out

    Don't just read this guide—write out your own version of the walkthrough in your own words. This helps internalize the logic.

    2. Draw the Diagram

    Create a visual diagram showing:

    • The three statements
    • Arrows connecting key items
    • The flow from one statement to another

    Drawing helps you visualize the connections and makes the explanation more intuitive.

    3. Practice Out Loud

    Record yourself explaining the three statement links. Listen back and identify:

    • Are you clear and concise?
    • Do you use filler words excessively?
    • Is your pacing good?
    • Do you sound confident?

    4. Time Yourself

    Your answer should take 60-90 seconds for the basic explanation. Practice until you can deliver it smoothly within that timeframe without rushing.

    5. Practice the Follow-Ups

    Don't just memorize the main answer—practice the common follow-up questions until you can answer them without hesitation.

    6. Teach Someone Else

    The best test of understanding is teaching. Explain the three statement links to a friend or family member who doesn't know accounting. If you can make them understand it, you've truly mastered it.

    Common Mistakes to Avoid

    1. Starting in the Wrong Place

    Weak: Starting with the Balance Sheet or jumping around randomly

    Strong: Start with Net Income from the Income Statement—it's the most logical entry point and shows organized thinking

    2. Forgetting Key Connections

    Common omissions:

    • Forgetting to mention Depreciation added back in CFO
    • Not explaining working capital changes
    • Missing that Net Income increases Retained Earnings
    • Skipping that CapEx increases PP&E

    Solution: Practice until all connections are automatic

    3. Being Too Vague

    Weak: "Things from the Income Statement go to the Cash Flow Statement and then to the Balance Sheet"

    Strong: Specific items and clear explanations: "Net Income flows from the Income Statement to the top of the Cash Flow Statement. We then add back Depreciation because..."

    4. Confusing Accrual vs. Cash

    Common mistake: Not explaining why we need the Cash Flow Statement or why we add back non-cash charges

    Solution: Emphasize that Net Income is accrual-based and explain the conversion to cash

    5. Losing Track of the Balance Sheet Equation

    Common mistake: Making changes that don't keep Assets = Liabilities + Equity balanced

    Solution: For follow-up questions, always check both sides of the equation to ensure they balance

    6. Panicking on Follow-Ups

    Common mistake: Freezing when asked "What if depreciation increases by $10?"

    Solution: Practice follow-ups extensively. Walk through the impact methodically: Income Statement, then Cash Flow Statement, then Balance Sheet.

    Advanced Tips for Standing Out

    1. Mention the Impact on Financial Modeling

    "Understanding these links is critical for financial modeling because any change in one statement affects the others. When building a three-statement model, you need to ensure everything flows correctly to maintain the Balance Sheet equation."

    This shows you understand why this matters for actual work.

    2. Reference Circular References

    If you're comfortable with the concept:

    "One complexity in modeling is that interest expense depends on the debt balance, but debt depends on the cash balance, which depends on interest expense—creating a circular reference that needs to be resolved in Excel."

    This demonstrates deeper technical knowledge.

    3. Connect to Valuation

    "These statement links are also crucial for valuation. For DCF analysis, we need to project all three statements to calculate Free Cash Flow, which requires understanding how changes flow through each statement."

    Shows you're thinking about practical applications.

    4. Discuss Working Capital Nuances

    Go slightly deeper on working capital if comfortable:

    "It's important to note that increases in current assets like AR and Inventory are uses of cash—you're investing cash in the business. Increases in current liabilities like Accounts Payable are sources of cash—you're delaying payment, effectively borrowing from suppliers."

    Practice Framework

    Here's a structured approach to mastering this question over one week:

    Day 1-2:

    • Read this guide thoroughly
    • Write out the walkthrough in your own words
    • Draw the diagram showing connections

    Day 3-4:

    • Practice the main walkthrough out loud 10 times
    • Time yourself and refine until 60-90 seconds
    • Record yourself and evaluate clarity

    Day 5:

    • Practice all follow-up questions
    • Focus on the logic, not memorization
    • Test yourself on variations (what if X increases by Y?)

    Day 6:

    • Teach the concept to someone else
    • Practice both main answer and follow-ups together
    • Simulate interview pressure

    Day 7:

    • Final review and refinement
    • Focus on confidence and smooth delivery
    • Test yourself one final time

    Master this and build your technical arsenal: This foundational knowledge supports your ability to answer advanced questions about private company valuation, discuss deals you've followed, and tackle PE case studies with confidence.

    Why Interviewers Ask This Question

    Understanding why this question is so common helps you appreciate what interviewers really care about:

    1. Universal Screening Tool

    Every candidate—regardless of background—should be able to answer this. It's a baseline competency check.

    2. Tests Under Pressure

    Technical questions create pressure. How you handle this basic question indicates how you'll handle more complex scenarios.

    3. Foundation for Everything Else

    If you can't link the three statements, you can't:

    • Build financial models
    • Understand DCF valuation
    • Analyze LBO transactions
    • Interpret company financials

    This question validates you have the foundation for more advanced work.

    4. Communication Assessment

    Banking requires explaining complex concepts to clients. If you can't explain this clearly, how will you explain a merger model or valuation analysis?

    Key Takeaways

    • Start with Net Income from the Income Statement—the logical entry point
    • Net Income flows to Cash Flow Statement, then adjustments convert accrual to cash
    • Net Change in Cash updates the Balance Sheet Cash account
    • Net Income also increases Retained Earnings on the Balance Sheet
    • CapEx, Depreciation, Debt, and Dividends create other connections
    • Practice follow-up questions extensively—they're guaranteed
    • Aim for 60-90 seconds for your main answer, delivered clearly and confidently
    • Draw the diagram to visualize connections
    • Practice until the logic is automatic, not memorized

    Conclusion

    "Walk me through how the three financial statements link together" is the most important technical question you'll face in investment banking interviews. It appears everywhere—from first screens to final rounds—and a weak answer can eliminate you immediately regardless of your credentials.

    The good news: this question is completely learnable. Unlike some interview questions that require creativity or deep industry knowledge, this is pure mechanics. With focused practice, anyone can master it.

    Start practicing today. Write out the walkthrough. Draw the diagram. Record yourself. Practice follow-ups. Make this answer automatic so that when the question comes—and it will—you can deliver it confidently and smoothly, demonstrating you have the technical foundation to succeed in investment banking.

    Build comprehensive technical mastery: Once you've mastered the three statement links, download our comprehensive guide featuring 400+ technical and behavioral questions covering every topic from accounting fundamentals to complex deal analysis—everything you need to excel in IB interviews.

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