Home / 198,968.91-274,575.42-108,324.64

Finding the Fourth Proportional to 198,968.91, 274,575.42 and 108,324.64

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Solution

The fourth proportional to 198,968.91, 274,575.42 and 108,324.64 is: 149,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,968.91 : 274,575.42 = 108,324.64 : x
  2. Step 2: Convert to fraction form
    198,968.91/274,575.42 = 108,324.64/x
  3. Step 3: Cross multiply
    198,968.91x = 274,575.42 × 108,324.64
  4. Step 4: Simplify right side
    198,968.91x = 29,743,283,867.57
  5. Step 5: Solve for x
    x = 29,743,283,867.57/198,968.91
  6. Step 6: Final answer
    x = 149,487.10

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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.