Home / 87,617.18-131,700.10-57,822.88

Finding the Fourth Proportional to 87,617.18, 131,700.10 and 57,822.88

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Solution

The fourth proportional to 87,617.18, 131,700.10 and 57,822.88 is: 86,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,617.18 : 131,700.10 = 57,822.88 : x
  2. Step 2: Convert to fraction form
    87,617.18/131,700.10 = 57,822.88/x
  3. Step 3: Cross multiply
    87,617.18x = 131,700.10 × 57,822.88
  4. Step 4: Simplify right side
    87,617.18x = 7,615,279,078.29
  5. Step 5: Solve for x
    x = 7,615,279,078.29/87,617.18
  6. Step 6: Final answer
    x = 86,915.36

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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.