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Finding the Fourth Proportional to 117,725.60, 176,434.80 and 54,538.40

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Solution

The fourth proportional to 117,725.60, 176,434.80 and 54,538.40 is: 81,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,725.60 : 176,434.80 = 54,538.40 : x
  2. Step 2: Convert to fraction form
    117,725.60/176,434.80 = 54,538.40/x
  3. Step 3: Cross multiply
    117,725.60x = 176,434.80 × 54,538.40
  4. Step 4: Simplify right side
    117,725.60x = 9,622,471,696.32
  5. Step 5: Solve for x
    x = 9,622,471,696.32/117,725.60
  6. Step 6: Final answer
    x = 81,736.44

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