Home / 219,755.43-329,633.15-79,481.25

Finding the Fourth Proportional to 219,755.43, 329,633.15 and 79,481.25

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Solution

The fourth proportional to 219,755.43, 329,633.15 and 79,481.25 is: 119,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,755.43 : 329,633.15 = 79,481.25 : x
  2. Step 2: Convert to fraction form
    219,755.43/329,633.15 = 79,481.25/x
  3. Step 3: Cross multiply
    219,755.43x = 329,633.15 × 79,481.25
  4. Step 4: Simplify right side
    219,755.43x = 26,199,654,406.03
  5. Step 5: Solve for x
    x = 26,199,654,406.03/219,755.43
  6. Step 6: Final answer
    x = 119,221.88

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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.