Home / 87,614.60-131,421.90-48,151.40

Finding the Fourth Proportional to 87,614.60, 131,421.90 and 48,151.40

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Solution

The fourth proportional to 87,614.60, 131,421.90 and 48,151.40 is: 72,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614.60 : 131,421.90 = 48,151.40 : x
  2. Step 2: Convert to fraction form
    87,614.60/131,421.90 = 48,151.40/x
  3. Step 3: Cross multiply
    87,614.60x = 131,421.90 × 48,151.40
  4. Step 4: Simplify right side
    87,614.60x = 6,328,148,475.66
  5. Step 5: Solve for x
    x = 6,328,148,475.66/87,614.60
  6. Step 6: Final answer
    x = 72,227.10

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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.