Home / 129,743.26-194,545.65-66,537.73

Finding the Fourth Proportional to 129,743.26, 194,545.65 and 66,537.73

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Solution

The fourth proportional to 129,743.26, 194,545.65 and 66,537.73 is: 99,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,743.26 : 194,545.65 = 66,537.73 : x
  2. Step 2: Convert to fraction form
    129,743.26/194,545.65 = 66,537.73/x
  3. Step 3: Cross multiply
    129,743.26x = 194,545.65 × 66,537.73
  4. Step 4: Simplify right side
    129,743.26x = 12,944,625,932.37
  5. Step 5: Solve for x
    x = 12,944,625,932.37/129,743.26
  6. Step 6: Final answer
    x = 99,771.09

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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.