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Finding the Fourth Proportional to 107,766.96, 161,611.53 and 45,442.32

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Solution

The fourth proportional to 107,766.96, 161,611.53 and 45,442.32 is: 68,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,766.96 : 161,611.53 = 45,442.32 : x
  2. Step 2: Convert to fraction form
    107,766.96/161,611.53 = 45,442.32/x
  3. Step 3: Cross multiply
    107,766.96x = 161,611.53 × 45,442.32
  4. Step 4: Simplify right side
    107,766.96x = 7,344,002,861.95
  5. Step 5: Solve for x
    x = 7,344,002,861.95/107,766.96
  6. Step 6: Final answer
    x = 68,147.07

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