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Finding the Fourth Proportional to 120,412.46, 166,169.21 and 66,700.96

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Solution

The fourth proportional to 120,412.46, 166,169.21 and 66,700.96 is: 92,047.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,412.46 : 166,169.21 = 66,700.96 : x
  2. Step 2: Convert to fraction form
    120,412.46/166,169.21 = 66,700.96/x
  3. Step 3: Cross multiply
    120,412.46x = 166,169.21 × 66,700.96
  4. Step 4: Simplify right side
    120,412.46x = 11,083,644,998.60
  5. Step 5: Solve for x
    x = 11,083,644,998.60/120,412.46
  6. Step 6: Final answer
    x = 92,047.33

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