Home / 87,433.68-131,150.52-40,631.88

Finding the Fourth Proportional to 87,433.68, 131,150.52 and 40,631.88

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Solution

The fourth proportional to 87,433.68, 131,150.52 and 40,631.88 is: 60,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,433.68 : 131,150.52 = 40,631.88 : x
  2. Step 2: Convert to fraction form
    87,433.68/131,150.52 = 40,631.88/x
  3. Step 3: Cross multiply
    87,433.68x = 131,150.52 × 40,631.88
  4. Step 4: Simplify right side
    87,433.68x = 5,328,892,190.58
  5. Step 5: Solve for x
    x = 5,328,892,190.58/87,433.68
  6. Step 6: Final answer
    x = 60,947.82

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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.