Home / 156,324.22-215,726.88-84,704.20

Finding the Fourth Proportional to 156,324.22, 215,726.88 and 84,704.20

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Solution

The fourth proportional to 156,324.22, 215,726.88 and 84,704.20 is: 116,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,324.22 : 215,726.88 = 84,704.20 : x
  2. Step 2: Convert to fraction form
    156,324.22/215,726.88 = 84,704.20/x
  3. Step 3: Cross multiply
    156,324.22x = 215,726.88 × 84,704.20
  4. Step 4: Simplify right side
    156,324.22x = 18,272,972,788.90
  5. Step 5: Solve for x
    x = 18,272,972,788.90/156,324.22
  6. Step 6: Final answer
    x = 116,891.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.