Home / 132,588.78-198,896.13-39,121.26

Finding the Fourth Proportional to 132,588.78, 198,896.13 and 39,121.26

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Solution

The fourth proportional to 132,588.78, 198,896.13 and 39,121.26 is: 58,685.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,588.78 : 198,896.13 = 39,121.26 : x
  2. Step 2: Convert to fraction form
    132,588.78/198,896.13 = 39,121.26/x
  3. Step 3: Cross multiply
    132,588.78x = 198,896.13 × 39,121.26
  4. Step 4: Simplify right side
    132,588.78x = 7,781,067,214.72
  5. Step 5: Solve for x
    x = 7,781,067,214.72/132,588.78
  6. Step 6: Final answer
    x = 58,685.71

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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.