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Finding the Fourth Proportional to 131.26, 196.92 and 59.13

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Solution

The fourth proportional to 131.26, 196.92 and 59.13 is: 88.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.26 : 196.92 = 59.13 : x
  2. Step 2: Convert to fraction form
    131.26/196.92 = 59.13/x
  3. Step 3: Cross multiply
    131.26x = 196.92 × 59.13
  4. Step 4: Simplify right side
    131.26x = 11,643.88
  5. Step 5: Solve for x
    x = 11,643.88/131.26
  6. Step 6: Final answer
    x = 88.71

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