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Finding the Fourth Proportional to 174.67, 261.81 and 83.23

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Solution

The fourth proportional to 174.67, 261.81 and 83.23 is: 124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.67 : 261.81 = 83.23 : x
  2. Step 2: Convert to fraction form
    174.67/261.81 = 83.23/x
  3. Step 3: Cross multiply
    174.67x = 261.81 × 83.23
  4. Step 4: Simplify right side
    174.67x = 21,789.79
  5. Step 5: Solve for x
    x = 21,789.79/174.67
  6. Step 6: Final answer
    x = 124.75

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