Home / 282,020.54-422,906.27-132,139.98

Finding the Fourth Proportional to 282,020.54, 422,906.27 and 132,139.98

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Solution

The fourth proportional to 282,020.54, 422,906.27 and 132,139.98 is: 198,151.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,020.54 : 422,906.27 = 132,139.98 : x
  2. Step 2: Convert to fraction form
    282,020.54/422,906.27 = 132,139.98/x
  3. Step 3: Cross multiply
    282,020.54x = 422,906.27 × 132,139.98
  4. Step 4: Simplify right side
    282,020.54x = 55,882,825,398.97
  5. Step 5: Solve for x
    x = 55,882,825,398.97/282,020.54
  6. Step 6: Final answer
    x = 198,151.62

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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.