Home / 87,498.30-131,266.59-28,339.95

Finding the Fourth Proportional to 87,498.30, 131,266.59 and 28,339.95

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Solution

The fourth proportional to 87,498.30, 131,266.59 and 28,339.95 is: 42,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,498.30 : 131,266.59 = 28,339.95 : x
  2. Step 2: Convert to fraction form
    87,498.30/131,266.59 = 28,339.95/x
  3. Step 3: Cross multiply
    87,498.30x = 131,266.59 × 28,339.95
  4. Step 4: Simplify right side
    87,498.30x = 3,720,088,597.27
  5. Step 5: Solve for x
    x = 3,720,088,597.27/87,498.30
  6. Step 6: Final answer
    x = 42,516.12

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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.