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Finding the Fourth Proportional to 168,545.42, 252,720.31 and 79,798.18

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Solution

The fourth proportional to 168,545.42, 252,720.31 and 79,798.18 is: 119,650.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,545.42 : 252,720.31 = 79,798.18 : x
  2. Step 2: Convert to fraction form
    168,545.42/252,720.31 = 79,798.18/x
  3. Step 3: Cross multiply
    168,545.42x = 252,720.31 × 79,798.18
  4. Step 4: Simplify right side
    168,545.42x = 20,166,620,787.04
  5. Step 5: Solve for x
    x = 20,166,620,787.04/168,545.42
  6. Step 6: Final answer
    x = 119,650.96

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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.