Home / 87,842.68-131,766.18-25,513.72

Finding the Fourth Proportional to 87,842.68, 131,766.18 and 25,513.72

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Solution

The fourth proportional to 87,842.68, 131,766.18 and 25,513.72 is: 38,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,842.68 : 131,766.18 = 25,513.72 : x
  2. Step 2: Convert to fraction form
    87,842.68/131,766.18 = 25,513.72/x
  3. Step 3: Cross multiply
    87,842.68x = 131,766.18 × 25,513.72
  4. Step 4: Simplify right side
    87,842.68x = 3,361,845,421.99
  5. Step 5: Solve for x
    x = 3,361,845,421.99/87,842.68
  6. Step 6: Final answer
    x = 38,271.21

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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.