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Finding the Fourth Proportional to 117,913.20, 176,610.60 and 71,084.40

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Solution

The fourth proportional to 117,913.20, 176,610.60 and 71,084.40 is: 106,470.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,913.20 : 176,610.60 = 71,084.40 : x
  2. Step 2: Convert to fraction form
    117,913.20/176,610.60 = 71,084.40/x
  3. Step 3: Cross multiply
    117,913.20x = 176,610.60 × 71,084.40
  4. Step 4: Simplify right side
    117,913.20x = 12,554,258,534.64
  5. Step 5: Solve for x
    x = 12,554,258,534.64/117,913.20
  6. Step 6: Final answer
    x = 106,470.34

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