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Finding the Fourth Proportional to 178,918.56, 268,360.56 and 54,260.64

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Solution

The fourth proportional to 178,918.56, 268,360.56 and 54,260.64 is: 81,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,918.56 : 268,360.56 = 54,260.64 : x
  2. Step 2: Convert to fraction form
    178,918.56/268,360.56 = 54,260.64/x
  3. Step 3: Cross multiply
    178,918.56x = 268,360.56 × 54,260.64
  4. Step 4: Simplify right side
    178,918.56x = 14,561,415,736.36
  5. Step 5: Solve for x
    x = 14,561,415,736.36/178,918.56
  6. Step 6: Final answer
    x = 81,385.72

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