Home / 215,761.24-323,432.88-82,538.92

Finding the Fourth Proportional to 215,761.24, 323,432.88 and 82,538.92

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Solution

The fourth proportional to 215,761.24, 323,432.88 and 82,538.92 is: 123,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,761.24 : 323,432.88 = 82,538.92 : x
  2. Step 2: Convert to fraction form
    215,761.24/323,432.88 = 82,538.92/x
  3. Step 3: Cross multiply
    215,761.24x = 323,432.88 × 82,538.92
  4. Step 4: Simplify right side
    215,761.24x = 26,695,800,607.69
  5. Step 5: Solve for x
    x = 26,695,800,607.69/215,761.24
  6. Step 6: Final answer
    x = 123,728.44

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1.5x scale

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.