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Finding the Fourth Proportional to 120,648.80, 166,493.88 and 66,932.48

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Solution

The fourth proportional to 120,648.80, 166,493.88 and 66,932.48 is: 92,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,648.80 : 166,493.88 = 66,932.48 : x
  2. Step 2: Convert to fraction form
    120,648.80/166,493.88 = 66,932.48/x
  3. Step 3: Cross multiply
    120,648.80x = 166,493.88 × 66,932.48
  4. Step 4: Simplify right side
    120,648.80x = 11,143,848,293.22
  5. Step 5: Solve for x
    x = 11,143,848,293.22/120,648.80
  6. Step 6: Final answer
    x = 92,366.01

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