Home / 87,321.64-130,990.68-24,145.96

Finding the Fourth Proportional to 87,321.64, 130,990.68 and 24,145.96

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Solution

The fourth proportional to 87,321.64, 130,990.68 and 24,145.96 is: 36,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,321.64 : 130,990.68 = 24,145.96 : x
  2. Step 2: Convert to fraction form
    87,321.64/130,990.68 = 24,145.96/x
  3. Step 3: Cross multiply
    87,321.64x = 130,990.68 × 24,145.96
  4. Step 4: Simplify right side
    87,321.64x = 3,162,895,719.65
  5. Step 5: Solve for x
    x = 3,162,895,719.65/87,321.64
  6. Step 6: Final answer
    x = 36,221.21

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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.