Home / 198,938.68-274,532.56-108,295.40

Finding the Fourth Proportional to 198,938.68, 274,532.56 and 108,295.40

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Solution

The fourth proportional to 198,938.68, 274,532.56 and 108,295.40 is: 149,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,938.68 : 274,532.56 = 108,295.40 : x
  2. Step 2: Convert to fraction form
    198,938.68/274,532.56 = 108,295.40/x
  3. Step 3: Cross multiply
    198,938.68x = 274,532.56 × 108,295.40
  4. Step 4: Simplify right side
    198,938.68x = 29,730,612,269.57
  5. Step 5: Solve for x
    x = 29,730,612,269.57/198,938.68
  6. Step 6: Final answer
    x = 149,446.11

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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.