Home / 87,158.55-130,737.24-57,708.18

Finding the Fourth Proportional to 87,158.55, 130,737.24 and 57,708.18

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Solution

The fourth proportional to 87,158.55, 130,737.24 and 57,708.18 is: 86,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,158.55 : 130,737.24 = 57,708.18 : x
  2. Step 2: Convert to fraction form
    87,158.55/130,737.24 = 57,708.18/x
  3. Step 3: Cross multiply
    87,158.55x = 130,737.24 × 57,708.18
  4. Step 4: Simplify right side
    87,158.55x = 7,544,608,178.62
  5. Step 5: Solve for x
    x = 7,544,608,178.62/87,158.55
  6. Step 6: Final answer
    x = 86,561.88

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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.