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Finding the Fourth Proportional to 140.75, 211.09 and 100.06

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Solution

The fourth proportional to 140.75, 211.09 and 100.06 is: 150.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140.75 : 211.09 = 100.06 : x
  2. Step 2: Convert to fraction form
    140.75/211.09 = 100.06/x
  3. Step 3: Cross multiply
    140.75x = 211.09 × 100.06
  4. Step 4: Simplify right side
    140.75x = 21,121.67
  5. Step 5: Solve for x
    x = 21,121.67/140.75
  6. Step 6: Final answer
    x = 150.07

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