Home / 99,829.52-137,770.33-54,511.73

Finding the Fourth Proportional to 99,829.52, 137,770.33 and 54,511.73

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Solution

The fourth proportional to 99,829.52, 137,770.33 and 54,511.73 is: 75,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,829.52 : 137,770.33 = 54,511.73 : x
  2. Step 2: Convert to fraction form
    99,829.52/137,770.33 = 54,511.73/x
  3. Step 3: Cross multiply
    99,829.52x = 137,770.33 × 54,511.73
  4. Step 4: Simplify right side
    99,829.52x = 7,510,098,205.84
  5. Step 5: Solve for x
    x = 7,510,098,205.84/99,829.52
  6. Step 6: Final answer
    x = 75,229.23

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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.