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Finding the Fourth Proportional to 109,086, 150,565.68 and 66,680.34

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Solution

The fourth proportional to 109,086, 150,565.68 and 66,680.34 is: 92,035.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,086 : 150,565.68 = 66,680.34 : x
  2. Step 2: Convert to fraction form
    109,086/150,565.68 = 66,680.34/x
  3. Step 3: Cross multiply
    109,086x = 150,565.68 × 66,680.34
  4. Step 4: Simplify right side
    109,086x = 10,039,770,734.73
  5. Step 5: Solve for x
    x = 10,039,770,734.73/109,086
  6. Step 6: Final answer
    x = 92,035.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.