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Finding the Fourth Proportional to 103.75, 143.84 and 97.54

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Solution

The fourth proportional to 103.75, 143.84 and 97.54 is: 135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103.75 : 143.84 = 97.54 : x
  2. Step 2: Convert to fraction form
    103.75/143.84 = 97.54/x
  3. Step 3: Cross multiply
    103.75x = 143.84 × 97.54
  4. Step 4: Simplify right side
    103.75x = 14,030.04
  5. Step 5: Solve for x
    x = 14,030.04/103.75
  6. Step 6: Final answer
    x = 135.23

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