Home / 198,826.43-274,372.25-108,182.75

Finding the Fourth Proportional to 198,826.43, 274,372.25 and 108,182.75

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Solution

The fourth proportional to 198,826.43, 274,372.25 and 108,182.75 is: 149,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,826.43 : 274,372.25 = 108,182.75 : x
  2. Step 2: Convert to fraction form
    198,826.43/274,372.25 = 108,182.75/x
  3. Step 3: Cross multiply
    198,826.43x = 274,372.25 × 108,182.75
  4. Step 4: Simplify right side
    198,826.43x = 29,682,342,615.91
  5. Step 5: Solve for x
    x = 29,682,342,615.91/198,826.43
  6. Step 6: Final answer
    x = 149,287.71

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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.