Home / 124,892.28-172,345.12-71,179.56

Finding the Fourth Proportional to 124,892.28, 172,345.12 and 71,179.56

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Solution

The fourth proportional to 124,892.28, 172,345.12 and 71,179.56 is: 98,224.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,892.28 : 172,345.12 = 71,179.56 : x
  2. Step 2: Convert to fraction form
    124,892.28/172,345.12 = 71,179.56/x
  3. Step 3: Cross multiply
    124,892.28x = 172,345.12 × 71,179.56
  4. Step 4: Simplify right side
    124,892.28x = 12,267,449,631.80
  5. Step 5: Solve for x
    x = 12,267,449,631.80/124,892.28
  6. Step 6: Final answer
    x = 98,224.24

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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.