Home / 82,131.03-123,196.76-22,966.61

Finding the Fourth Proportional to 82,131.03, 123,196.76 and 22,966.61

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Solution

The fourth proportional to 82,131.03, 123,196.76 and 22,966.61 is: 34,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,131.03 : 123,196.76 = 22,966.61 : x
  2. Step 2: Convert to fraction form
    82,131.03/123,196.76 = 22,966.61/x
  3. Step 3: Cross multiply
    82,131.03x = 123,196.76 × 22,966.61
  4. Step 4: Simplify right side
    82,131.03x = 2,829,411,209.37
  5. Step 5: Solve for x
    x = 2,829,411,209.37/82,131.03
  6. Step 6: Final answer
    x = 34,449.97

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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.