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Finding the Fourth Proportional to 124.02, 186.22 and 117.92

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Solution

The fourth proportional to 124.02, 186.22 and 117.92 is: 177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.02 : 186.22 = 117.92 : x
  2. Step 2: Convert to fraction form
    124.02/186.22 = 117.92/x
  3. Step 3: Cross multiply
    124.02x = 186.22 × 117.92
  4. Step 4: Simplify right side
    124.02x = 21,959.06
  5. Step 5: Solve for x
    x = 21,959.06/124.02
  6. Step 6: Final answer
    x = 177.06

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