Home / 87,654.08-131,377.28-40,229.20

Finding the Fourth Proportional to 87,654.08, 131,377.28 and 40,229.20

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Solution

The fourth proportional to 87,654.08, 131,377.28 and 40,229.20 is: 60,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,654.08 : 131,377.28 = 40,229.20 : x
  2. Step 2: Convert to fraction form
    87,654.08/131,377.28 = 40,229.20/x
  3. Step 3: Cross multiply
    87,654.08x = 131,377.28 × 40,229.20
  4. Step 4: Simplify right side
    87,654.08x = 5,285,202,872.58
  5. Step 5: Solve for x
    x = 5,285,202,872.58/87,654.08
  6. Step 6: Final answer
    x = 60,296.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.