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Finding the Fourth Proportional to 97.02, 145.23 and 82.44

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Solution

The fourth proportional to 97.02, 145.23 and 82.44 is: 123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.02 : 145.23 = 82.44 : x
  2. Step 2: Convert to fraction form
    97.02/145.23 = 82.44/x
  3. Step 3: Cross multiply
    97.02x = 145.23 × 82.44
  4. Step 4: Simplify right side
    97.02x = 11,972.45
  5. Step 5: Solve for x
    x = 11,972.45/97.02
  6. Step 6: Final answer
    x = 123.40

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