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Finding the Fourth Proportional to 119.08, 178.27 and 88.77

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Solution

The fourth proportional to 119.08, 178.27 and 88.77 is: 132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.08 : 178.27 = 88.77 : x
  2. Step 2: Convert to fraction form
    119.08/178.27 = 88.77/x
  3. Step 3: Cross multiply
    119.08x = 178.27 × 88.77
  4. Step 4: Simplify right side
    119.08x = 15,824.81
  5. Step 5: Solve for x
    x = 15,824.81/119.08
  6. Step 6: Final answer
    x = 132.90

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