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Finding the Fourth Proportional to 116.55, 174.87 and 52.38

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Solution

The fourth proportional to 116.55, 174.87 and 52.38 is: 78.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.55 : 174.87 = 52.38 : x
  2. Step 2: Convert to fraction form
    116.55/174.87 = 52.38/x
  3. Step 3: Cross multiply
    116.55x = 174.87 × 52.38
  4. Step 4: Simplify right side
    116.55x = 9,159.69
  5. Step 5: Solve for x
    x = 9,159.69/116.55
  6. Step 6: Final answer
    x = 78.59

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