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Finding the Fourth Proportional to 181.08, 249.86 and 103.46

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Solution

The fourth proportional to 181.08, 249.86 and 103.46 is: 142.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.08 : 249.86 = 103.46 : x
  2. Step 2: Convert to fraction form
    181.08/249.86 = 103.46/x
  3. Step 3: Cross multiply
    181.08x = 249.86 × 103.46
  4. Step 4: Simplify right side
    181.08x = 25,850.52
  5. Step 5: Solve for x
    x = 25,850.52/181.08
  6. Step 6: Final answer
    x = 142.76

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