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Finding the Fourth Proportional to 119,178.52, 178,843.08 and 66,622.48

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Solution

The fourth proportional to 119,178.52, 178,843.08 and 66,622.48 is: 99,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,178.52 : 178,843.08 = 66,622.48 : x
  2. Step 2: Convert to fraction form
    119,178.52/178,843.08 = 66,622.48/x
  3. Step 3: Cross multiply
    119,178.52x = 178,843.08 × 66,622.48
  4. Step 4: Simplify right side
    119,178.52x = 11,914,969,520.44
  5. Step 5: Solve for x
    x = 11,914,969,520.44/119,178.52
  6. Step 6: Final answer
    x = 99,975.81

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