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Finding the Fourth Proportional to 174.13, 261.19 and 45.88

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Solution

The fourth proportional to 174.13, 261.19 and 45.88 is: 68.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.13 : 261.19 = 45.88 : x
  2. Step 2: Convert to fraction form
    174.13/261.19 = 45.88/x
  3. Step 3: Cross multiply
    174.13x = 261.19 × 45.88
  4. Step 4: Simplify right side
    174.13x = 11,983.40
  5. Step 5: Solve for x
    x = 11,983.40/174.13
  6. Step 6: Final answer
    x = 68.82

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