Home / 125,066.43-172,592.78-74,082.06

Finding the Fourth Proportional to 125,066.43, 172,592.78 and 74,082.06

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Solution

The fourth proportional to 125,066.43, 172,592.78 and 74,082.06 is: 102,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,066.43 : 172,592.78 = 74,082.06 : x
  2. Step 2: Convert to fraction form
    125,066.43/172,592.78 = 74,082.06/x
  3. Step 3: Cross multiply
    125,066.43x = 172,592.78 × 74,082.06
  4. Step 4: Simplify right side
    125,066.43x = 12,786,028,313.12
  5. Step 5: Solve for x
    x = 12,786,028,313.12/125,066.43
  6. Step 6: Final answer
    x = 102,233.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.