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Finding the Fourth Proportional to 126.76, 189.97 and 58.27

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Solution

The fourth proportional to 126.76, 189.97 and 58.27 is: 87.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126.76 : 189.97 = 58.27 : x
  2. Step 2: Convert to fraction form
    126.76/189.97 = 58.27/x
  3. Step 3: Cross multiply
    126.76x = 189.97 × 58.27
  4. Step 4: Simplify right side
    126.76x = 11,069.55
  5. Step 5: Solve for x
    x = 11,069.55/126.76
  6. Step 6: Final answer
    x = 87.33

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