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Finding the Fourth Proportional to 117,630.80, 176,446.20 and 67,864.40

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Solution

The fourth proportional to 117,630.80, 176,446.20 and 67,864.40 is: 101,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,630.80 : 176,446.20 = 67,864.40 : x
  2. Step 2: Convert to fraction form
    117,630.80/176,446.20 = 67,864.40/x
  3. Step 3: Cross multiply
    117,630.80x = 176,446.20 × 67,864.40
  4. Step 4: Simplify right side
    117,630.80x = 11,974,415,495.28
  5. Step 5: Solve for x
    x = 11,974,415,495.28/117,630.80
  6. Step 6: Final answer
    x = 101,796.60

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