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Finding the Fourth Proportional to 106.12, 159.09 and 59.23

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Solution

The fourth proportional to 106.12, 159.09 and 59.23 is: 88.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.12 : 159.09 = 59.23 : x
  2. Step 2: Convert to fraction form
    106.12/159.09 = 59.23/x
  3. Step 3: Cross multiply
    106.12x = 159.09 × 59.23
  4. Step 4: Simplify right side
    106.12x = 9,422.90
  5. Step 5: Solve for x
    x = 9,422.90/106.12
  6. Step 6: Final answer
    x = 88.79

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