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Finding the Fourth Proportional to 159,490.76, 239,273.19 and 54,310.64

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Solution

The fourth proportional to 159,490.76, 239,273.19 and 54,310.64 is: 81,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,490.76 : 239,273.19 = 54,310.64 : x
  2. Step 2: Convert to fraction form
    159,490.76/239,273.19 = 54,310.64/x
  3. Step 3: Cross multiply
    159,490.76x = 239,273.19 × 54,310.64
  4. Step 4: Simplify right side
    159,490.76x = 12,995,078,887.38
  5. Step 5: Solve for x
    x = 12,995,078,887.38/159,490.76
  6. Step 6: Final answer
    x = 81,478.57

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