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Finding the Fourth Proportional to 256,664.80, 354,198.24 and 143,487.52

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Solution

The fourth proportional to 256,664.80, 354,198.24 and 143,487.52 is: 198,013.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,664.80 : 354,198.24 = 143,487.52 : x
  2. Step 2: Convert to fraction form
    256,664.80/354,198.24 = 143,487.52/x
  3. Step 3: Cross multiply
    256,664.80x = 354,198.24 × 143,487.52
  4. Step 4: Simplify right side
    256,664.80x = 50,823,027,045.96
  5. Step 5: Solve for x
    x = 50,823,027,045.96/256,664.80
  6. Step 6: Final answer
    x = 198,013.23

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