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Finding the Fourth Proportional to 120,843.80, 166,759.80 and 67,132.19

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Solution

The fourth proportional to 120,843.80, 166,759.80 and 67,132.19 is: 92,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,843.80 : 166,759.80 = 67,132.19 : x
  2. Step 2: Convert to fraction form
    120,843.80/166,759.80 = 67,132.19/x
  3. Step 3: Cross multiply
    120,843.80x = 166,759.80 × 67,132.19
  4. Step 4: Simplify right side
    120,843.80x = 11,194,950,829.71
  5. Step 5: Solve for x
    x = 11,194,950,829.71/120,843.80
  6. Step 6: Final answer
    x = 92,639.85

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