Home / 87,389.15-131,086.62-24,209.90

Finding the Fourth Proportional to 87,389.15, 131,086.62 and 24,209.90

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Solution

The fourth proportional to 87,389.15, 131,086.62 and 24,209.90 is: 36,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,389.15 : 131,086.62 = 24,209.90 : x
  2. Step 2: Convert to fraction form
    87,389.15/131,086.62 = 24,209.90/x
  3. Step 3: Cross multiply
    87,389.15x = 131,086.62 × 24,209.90
  4. Step 4: Simplify right side
    87,389.15x = 3,173,594,535.04
  5. Step 5: Solve for x
    x = 3,173,594,535.04/87,389.15
  6. Step 6: Final answer
    x = 36,315.66

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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.