Home / 198,694.75-274,200.05-108,051.70

Finding the Fourth Proportional to 198,694.75, 274,200.05 and 108,051.70

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Solution

The fourth proportional to 198,694.75, 274,200.05 and 108,051.70 is: 149,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,694.75 : 274,200.05 = 108,051.70 : x
  2. Step 2: Convert to fraction form
    198,694.75/274,200.05 = 108,051.70/x
  3. Step 3: Cross multiply
    198,694.75x = 274,200.05 × 108,051.70
  4. Step 4: Simplify right side
    198,694.75x = 29,627,781,542.59
  5. Step 5: Solve for x
    x = 29,627,781,542.59/198,694.75
  6. Step 6: Final answer
    x = 149,112.05

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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.