Home / 71,192.26-106,789.42-18,601.76

Finding the Fourth Proportional to 71,192.26, 106,789.42 and 18,601.76

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Solution

The fourth proportional to 71,192.26, 106,789.42 and 18,601.76 is: 27,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,192.26 : 106,789.42 = 18,601.76 : x
  2. Step 2: Convert to fraction form
    71,192.26/106,789.42 = 18,601.76/x
  3. Step 3: Cross multiply
    71,192.26x = 106,789.42 × 18,601.76
  4. Step 4: Simplify right side
    71,192.26x = 1,986,471,161.38
  5. Step 5: Solve for x
    x = 1,986,471,161.38/71,192.26
  6. Step 6: Final answer
    x = 27,902.91

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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.