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Finding the Fourth Proportional to 171,230.66, 256,736.64 and 82,307.24

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Solution

The fourth proportional to 171,230.66, 256,736.64 and 82,307.24 is: 123,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,230.66 : 256,736.64 = 82,307.24 : x
  2. Step 2: Convert to fraction form
    171,230.66/256,736.64 = 82,307.24/x
  3. Step 3: Cross multiply
    171,230.66x = 256,736.64 × 82,307.24
  4. Step 4: Simplify right side
    171,230.66x = 21,131,284,245.27
  5. Step 5: Solve for x
    x = 21,131,284,245.27/171,230.66
  6. Step 6: Final answer
    x = 123,408.30

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