Home / 181,221.22-271,711.84-86,466.02

Finding the Fourth Proportional to 181,221.22, 271,711.84 and 86,466.02

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Solution

The fourth proportional to 181,221.22, 271,711.84 and 86,466.02 is: 129,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,221.22 : 271,711.84 = 86,466.02 : x
  2. Step 2: Convert to fraction form
    181,221.22/271,711.84 = 86,466.02/x
  3. Step 3: Cross multiply
    181,221.22x = 271,711.84 × 86,466.02
  4. Step 4: Simplify right side
    181,221.22x = 23,493,841,391.68
  5. Step 5: Solve for x
    x = 23,493,841,391.68/181,221.22
  6. Step 6: Final answer
    x = 129,641.78

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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.