Home / 198,989.48-274,610.72-108,349.27

Finding the Fourth Proportional to 198,989.48, 274,610.72 and 108,349.27

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Solution

The fourth proportional to 198,989.48, 274,610.72 and 108,349.27 is: 149,524.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,989.48 : 274,610.72 = 108,349.27 : x
  2. Step 2: Convert to fraction form
    198,989.48/274,610.72 = 108,349.27/x
  3. Step 3: Cross multiply
    198,989.48x = 274,610.72 × 108,349.27
  4. Step 4: Simplify right side
    198,989.48x = 29,753,870,630.52
  5. Step 5: Solve for x
    x = 29,753,870,630.52/198,989.48
  6. Step 6: Final answer
    x = 149,524.84

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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.