Home / 132,149.80-182,375.70-74,789.04

Finding the Fourth Proportional to 132,149.80, 182,375.70 and 74,789.04

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Solution

The fourth proportional to 132,149.80, 182,375.70 and 74,789.04 is: 103,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,149.80 : 182,375.70 = 74,789.04 : x
  2. Step 2: Convert to fraction form
    132,149.80/182,375.70 = 74,789.04/x
  3. Step 3: Cross multiply
    132,149.80x = 182,375.70 × 74,789.04
  4. Step 4: Simplify right side
    132,149.80x = 13,639,703,522.33
  5. Step 5: Solve for x
    x = 13,639,703,522.33/132,149.80
  6. Step 6: Final answer
    x = 103,213.96

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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.