Home / 132,891.63-199,370.24-39,397.38

Finding the Fourth Proportional to 132,891.63, 199,370.24 and 39,397.38

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Solution

The fourth proportional to 132,891.63, 199,370.24 and 39,397.38 is: 59,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,891.63 : 199,370.24 = 39,397.38 : x
  2. Step 2: Convert to fraction form
    132,891.63/199,370.24 = 39,397.38/x
  3. Step 3: Cross multiply
    132,891.63x = 199,370.24 × 39,397.38
  4. Step 4: Simplify right side
    132,891.63x = 7,854,665,105.97
  5. Step 5: Solve for x
    x = 7,854,665,105.97/132,891.63
  6. Step 6: Final answer
    x = 59,105.79

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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.