Home / 198,976.50-274,770.02-126,402.83

Finding the Fourth Proportional to 198,976.50, 274,770.02 and 126,402.83

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Solution

The fourth proportional to 198,976.50, 274,770.02 and 126,402.83 is: 174,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,976.50 : 274,770.02 = 126,402.83 : x
  2. Step 2: Convert to fraction form
    198,976.50/274,770.02 = 126,402.83/x
  3. Step 3: Cross multiply
    198,976.50x = 274,770.02 × 126,402.83
  4. Step 4: Simplify right side
    198,976.50x = 34,731,706,121.29
  5. Step 5: Solve for x
    x = 34,731,706,121.29/198,976.50
  6. Step 6: Final answer
    x = 174,551.80

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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.