Home / 87,333.48-131,011.28-28,167.84

Finding the Fourth Proportional to 87,333.48, 131,011.28 and 28,167.84

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Solution

The fourth proportional to 87,333.48, 131,011.28 and 28,167.84 is: 42,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,333.48 : 131,011.28 = 28,167.84 : x
  2. Step 2: Convert to fraction form
    87,333.48/131,011.28 = 28,167.84/x
  3. Step 3: Cross multiply
    87,333.48x = 131,011.28 × 28,167.84
  4. Step 4: Simplify right side
    87,333.48x = 3,690,304,773.24
  5. Step 5: Solve for x
    x = 3,690,304,773.24/87,333.48
  6. Step 6: Final answer
    x = 42,255.33

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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.