Home / 87,836.68-131,757.18-25,507.72

Finding the Fourth Proportional to 87,836.68, 131,757.18 and 25,507.72

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Solution

The fourth proportional to 87,836.68, 131,757.18 and 25,507.72 is: 38,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,836.68 : 131,757.18 = 25,507.72 : x
  2. Step 2: Convert to fraction form
    87,836.68/131,757.18 = 25,507.72/x
  3. Step 3: Cross multiply
    87,836.68x = 131,757.18 × 25,507.72
  4. Step 4: Simplify right side
    87,836.68x = 3,360,825,255.43
  5. Step 5: Solve for x
    x = 3,360,825,255.43/87,836.68
  6. Step 6: Final answer
    x = 38,262.21

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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.