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Finding the Fourth Proportional to 109,286.60, 163,929.90 and 35,414.60

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Solution

The fourth proportional to 109,286.60, 163,929.90 and 35,414.60 is: 53,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,286.60 : 163,929.90 = 35,414.60 : x
  2. Step 2: Convert to fraction form
    109,286.60/163,929.90 = 35,414.60/x
  3. Step 3: Cross multiply
    109,286.60x = 163,929.90 × 35,414.60
  4. Step 4: Simplify right side
    109,286.60x = 5,805,511,836.54
  5. Step 5: Solve for x
    x = 5,805,511,836.54/109,286.60
  6. Step 6: Final answer
    x = 53,121.90

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