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Finding the Fourth Proportional to 159,480.80, 239,253.60 and 54,310.40

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Solution

The fourth proportional to 159,480.80, 239,253.60 and 54,310.40 is: 81,476.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,480.80 : 239,253.60 = 54,310.40 : x
  2. Step 2: Convert to fraction form
    159,480.80/239,253.60 = 54,310.40/x
  3. Step 3: Cross multiply
    159,480.80x = 239,253.60 × 54,310.40
  4. Step 4: Simplify right side
    159,480.80x = 12,993,958,717.44
  5. Step 5: Solve for x
    x = 12,993,958,717.44/159,480.80
  6. Step 6: Final answer
    x = 81,476.63

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