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Finding the Fourth Proportional to 122,843.70, 169,616.68 and 120,881.92

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Solution

The fourth proportional to 122,843.70, 169,616.68 and 120,881.92 is: 166,907.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,843.70 : 169,616.68 = 120,881.92 : x
  2. Step 2: Convert to fraction form
    122,843.70/169,616.68 = 120,881.92/x
  3. Step 3: Cross multiply
    122,843.70x = 169,616.68 × 120,881.92
  4. Step 4: Simplify right side
    122,843.70x = 20,503,589,942.43
  5. Step 5: Solve for x
    x = 20,503,589,942.43/122,843.70
  6. Step 6: Final answer
    x = 166,907.95

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