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Finding the Fourth Proportional to 354,738.40, 532,107.60 and 168,114.40

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Solution

The fourth proportional to 354,738.40, 532,107.60 and 168,114.40 is: 252,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,738.40 : 532,107.60 = 168,114.40 : x
  2. Step 2: Convert to fraction form
    354,738.40/532,107.60 = 168,114.40/x
  3. Step 3: Cross multiply
    354,738.40x = 532,107.60 × 168,114.40
  4. Step 4: Simplify right side
    354,738.40x = 89,454,949,909.44
  5. Step 5: Solve for x
    x = 89,454,949,909.44/354,738.40
  6. Step 6: Final answer
    x = 252,171.60

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