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Finding the Fourth Proportional to 120,552.57, 166,362.30 and 66,836.21

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Solution

The fourth proportional to 120,552.57, 166,362.30 and 66,836.21 is: 92,233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,552.57 : 166,362.30 = 66,836.21 : x
  2. Step 2: Convert to fraction form
    120,552.57/166,362.30 = 66,836.21/x
  3. Step 3: Cross multiply
    120,552.57x = 166,362.30 × 66,836.21
  4. Step 4: Simplify right side
    120,552.57x = 11,119,024,787.07
  5. Step 5: Solve for x
    x = 11,119,024,787.07/120,552.57
  6. Step 6: Final answer
    x = 92,233.83

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