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Finding the Fourth Proportional to 149.09, 223.05 and 97.55

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Solution

The fourth proportional to 149.09, 223.05 and 97.55 is: 145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.09 : 223.05 = 97.55 : x
  2. Step 2: Convert to fraction form
    149.09/223.05 = 97.55/x
  3. Step 3: Cross multiply
    149.09x = 223.05 × 97.55
  4. Step 4: Simplify right side
    149.09x = 21,759.87
  5. Step 5: Solve for x
    x = 21,759.87/149.09
  6. Step 6: Final answer
    x = 145.95

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