Home / 138,091.17-207,141.35-38,252.37

Finding the Fourth Proportional to 138,091.17, 207,141.35 and 38,252.37

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Solution

The fourth proportional to 138,091.17, 207,141.35 and 38,252.37 is: 57,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,091.17 : 207,141.35 = 38,252.37 : x
  2. Step 2: Convert to fraction form
    138,091.17/207,141.35 = 38,252.37/x
  3. Step 3: Cross multiply
    138,091.17x = 207,141.35 × 38,252.37
  4. Step 4: Simplify right side
    138,091.17x = 7,923,647,371.24
  5. Step 5: Solve for x
    x = 7,923,647,371.24/138,091.17
  6. Step 6: Final answer
    x = 57,379.83

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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.