Home / 87,502.80-131,154.68-76,952.24

Finding the Fourth Proportional to 87,502.80, 131,154.68 and 76,952.24

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Solution

The fourth proportional to 87,502.80, 131,154.68 and 76,952.24 is: 115,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,502.80 : 131,154.68 = 76,952.24 : x
  2. Step 2: Convert to fraction form
    87,502.80/131,154.68 = 76,952.24/x
  3. Step 3: Cross multiply
    87,502.80x = 131,154.68 × 76,952.24
  4. Step 4: Simplify right side
    87,502.80x = 10,092,646,412.48
  5. Step 5: Solve for x
    x = 10,092,646,412.48/87,502.80
  6. Step 6: Final answer
    x = 115,340.84

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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.