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Finding the Fourth Proportional to 107,229.80, 160,844.70 and 80,618.60

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Solution

The fourth proportional to 107,229.80, 160,844.70 and 80,618.60 is: 120,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,229.80 : 160,844.70 = 80,618.60 : x
  2. Step 2: Convert to fraction form
    107,229.80/160,844.70 = 80,618.60/x
  3. Step 3: Cross multiply
    107,229.80x = 160,844.70 × 80,618.60
  4. Step 4: Simplify right side
    107,229.80x = 12,967,074,531.42
  5. Step 5: Solve for x
    x = 12,967,074,531.42/107,229.80
  6. Step 6: Final answer
    x = 120,927.90

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