Home / 198,917.60-274,513.53-108,269.18

Finding the Fourth Proportional to 198,917.60, 274,513.53 and 108,269.18

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Solution

The fourth proportional to 198,917.60, 274,513.53 and 108,269.18 is: 149,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,917.60 : 274,513.53 = 108,269.18 : x
  2. Step 2: Convert to fraction form
    198,917.60/274,513.53 = 108,269.18/x
  3. Step 3: Cross multiply
    198,917.60x = 274,513.53 × 108,269.18
  4. Step 4: Simplify right side
    198,917.60x = 29,721,354,760.57
  5. Step 5: Solve for x
    x = 29,721,354,760.57/198,917.60
  6. Step 6: Final answer
    x = 149,415.41

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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.