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Finding the Fourth Proportional to 120,941.21, 166,900.88 and 66,495.68

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Solution

The fourth proportional to 120,941.21, 166,900.88 and 66,495.68 is: 91,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,941.21 : 166,900.88 = 66,495.68 : x
  2. Step 2: Convert to fraction form
    120,941.21/166,900.88 = 66,495.68/x
  3. Step 3: Cross multiply
    120,941.21x = 166,900.88 × 66,495.68
  4. Step 4: Simplify right side
    120,941.21x = 11,098,187,592.97
  5. Step 5: Solve for x
    x = 11,098,187,592.97/120,941.21
  6. Step 6: Final answer
    x = 91,765.14

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