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Finding the Fourth Proportional to 117,728.64, 176,588.99 and 51,168.78

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Solution

The fourth proportional to 117,728.64, 176,588.99 and 51,168.78 is: 76,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,728.64 : 176,588.99 = 51,168.78 : x
  2. Step 2: Convert to fraction form
    117,728.64/176,588.99 = 51,168.78/x
  3. Step 3: Cross multiply
    117,728.64x = 176,588.99 × 51,168.78
  4. Step 4: Simplify right side
    117,728.64x = 9,035,843,179.73
  5. Step 5: Solve for x
    x = 9,035,843,179.73/117,728.64
  6. Step 6: Final answer
    x = 76,751.44

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