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Finding the Fourth Proportional to 117,884.80, 176,827.20 and 68,118.40

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Solution

The fourth proportional to 117,884.80, 176,827.20 and 68,118.40 is: 102,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,884.80 : 176,827.20 = 68,118.40 : x
  2. Step 2: Convert to fraction form
    117,884.80/176,827.20 = 68,118.40/x
  3. Step 3: Cross multiply
    117,884.80x = 176,827.20 × 68,118.40
  4. Step 4: Simplify right side
    117,884.80x = 12,045,185,940.48
  5. Step 5: Solve for x
    x = 12,045,185,940.48/117,884.80
  6. Step 6: Final answer
    x = 102,177.60

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