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Finding the Fourth Proportional to 140.97, 211.86 and 95.59

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Solution

The fourth proportional to 140.97, 211.86 and 95.59 is: 143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140.97 : 211.86 = 95.59 : x
  2. Step 2: Convert to fraction form
    140.97/211.86 = 95.59/x
  3. Step 3: Cross multiply
    140.97x = 211.86 × 95.59
  4. Step 4: Simplify right side
    140.97x = 20,251.70
  5. Step 5: Solve for x
    x = 20,251.70/140.97
  6. Step 6: Final answer
    x = 143.66

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