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Finding the Fourth Proportional to 173.99, 261.01 and 82.64

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Solution

The fourth proportional to 173.99, 261.01 and 82.64 is: 123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.99 : 261.01 = 82.64 : x
  2. Step 2: Convert to fraction form
    173.99/261.01 = 82.64/x
  3. Step 3: Cross multiply
    173.99x = 261.01 × 82.64
  4. Step 4: Simplify right side
    173.99x = 21,568.94
  5. Step 5: Solve for x
    x = 21,568.94/173.99
  6. Step 6: Final answer
    x = 123.97

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