Home / 198,689.44-274,192.71-108,046.39

Finding the Fourth Proportional to 198,689.44, 274,192.71 and 108,046.39

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Solution

The fourth proportional to 198,689.44, 274,192.71 and 108,046.39 is: 149,104.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,689.44 : 274,192.71 = 108,046.39 : x
  2. Step 2: Convert to fraction form
    198,689.44/274,192.71 = 108,046.39/x
  3. Step 3: Cross multiply
    198,689.44x = 274,192.71 × 108,046.39
  4. Step 4: Simplify right side
    198,689.44x = 29,625,531,280.22
  5. Step 5: Solve for x
    x = 29,625,531,280.22/198,689.44
  6. Step 6: Final answer
    x = 149,104.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.