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Finding the Fourth Proportional to 115.26, 172.58 and 95.06

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Solution

The fourth proportional to 115.26, 172.58 and 95.06 is: 142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115.26 : 172.58 = 95.06 : x
  2. Step 2: Convert to fraction form
    115.26/172.58 = 95.06/x
  3. Step 3: Cross multiply
    115.26x = 172.58 × 95.06
  4. Step 4: Simplify right side
    115.26x = 16,405.45
  5. Step 5: Solve for x
    x = 16,405.45/115.26
  6. Step 6: Final answer
    x = 142.33

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