Home / 198,939.52-274,535.76-108,300.52

Finding the Fourth Proportional to 198,939.52, 274,535.76 and 108,300.52

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Solution

The fourth proportional to 198,939.52, 274,535.76 and 108,300.52 is: 149,454.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,939.52 : 274,535.76 = 108,300.52 : x
  2. Step 2: Convert to fraction form
    198,939.52/274,535.76 = 108,300.52/x
  3. Step 3: Cross multiply
    198,939.52x = 274,535.76 × 108,300.52
  4. Step 4: Simplify right side
    198,939.52x = 29,732,365,566.60
  5. Step 5: Solve for x
    x = 29,732,365,566.60/198,939.52
  6. Step 6: Final answer
    x = 149,454.29

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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.