Home / 87,660.30-131,490.45-25,337.10

Finding the Fourth Proportional to 87,660.30, 131,490.45 and 25,337.10

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Solution

The fourth proportional to 87,660.30, 131,490.45 and 25,337.10 is: 38,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,660.30 : 131,490.45 = 25,337.10 : x
  2. Step 2: Convert to fraction form
    87,660.30/131,490.45 = 25,337.10/x
  3. Step 3: Cross multiply
    87,660.30x = 131,490.45 × 25,337.10
  4. Step 4: Simplify right side
    87,660.30x = 3,331,586,680.70
  5. Step 5: Solve for x
    x = 3,331,586,680.70/87,660.30
  6. Step 6: Final answer
    x = 38,005.65

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Similar ratio
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1.5x scale

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.