Home / 87,011.40-130,517.10-73,233.30

Finding the Fourth Proportional to 87,011.40, 130,517.10 and 73,233.30

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Solution

The fourth proportional to 87,011.40, 130,517.10 and 73,233.30 is: 109,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,011.40 : 130,517.10 = 73,233.30 : x
  2. Step 2: Convert to fraction form
    87,011.40/130,517.10 = 73,233.30/x
  3. Step 3: Cross multiply
    87,011.40x = 130,517.10 × 73,233.30
  4. Step 4: Simplify right side
    87,011.40x = 9,558,197,939.43
  5. Step 5: Solve for x
    x = 9,558,197,939.43/87,011.40
  6. Step 6: Final answer
    x = 109,849.95

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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.