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Finding the Fourth Proportional to 120,532.80, 166,334.34 and 66,084.33

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Solution

The fourth proportional to 120,532.80, 166,334.34 and 66,084.33 is: 91,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,532.80 : 166,334.34 = 66,084.33 : x
  2. Step 2: Convert to fraction form
    120,532.80/166,334.34 = 66,084.33/x
  3. Step 3: Cross multiply
    120,532.80x = 166,334.34 × 66,084.33
  4. Step 4: Simplify right side
    120,532.80x = 10,992,093,414.89
  5. Step 5: Solve for x
    x = 10,992,093,414.89/120,532.80
  6. Step 6: Final answer
    x = 91,195.87

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