Home / 138,632.22-207,916.36-38,799.46

Finding the Fourth Proportional to 138,632.22, 207,916.36 and 38,799.46

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Solution

The fourth proportional to 138,632.22, 207,916.36 and 38,799.46 is: 58,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,632.22 : 207,916.36 = 38,799.46 : x
  2. Step 2: Convert to fraction form
    138,632.22/207,916.36 = 38,799.46/x
  3. Step 3: Cross multiply
    138,632.22x = 207,916.36 × 38,799.46
  4. Step 4: Simplify right side
    138,632.22x = 8,067,042,493.17
  5. Step 5: Solve for x
    x = 8,067,042,493.17/138,632.22
  6. Step 6: Final answer
    x = 58,190.24

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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.