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Finding the Fourth Proportional to 192,193.80, 287,901.90 and 133,096.20

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Solution

The fourth proportional to 192,193.80, 287,901.90 and 133,096.20 is: 199,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,193.80 : 287,901.90 = 133,096.20 : x
  2. Step 2: Convert to fraction form
    192,193.80/287,901.90 = 133,096.20/x
  3. Step 3: Cross multiply
    192,193.80x = 287,901.90 × 133,096.20
  4. Step 4: Simplify right side
    192,193.80x = 38,318,648,862.78
  5. Step 5: Solve for x
    x = 38,318,648,862.78/192,193.80
  6. Step 6: Final answer
    x = 199,375.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.