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Finding the Fourth Proportional to 111,026.80, 166,540.20 and 27,920.80

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Solution

The fourth proportional to 111,026.80, 166,540.20 and 27,920.80 is: 41,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,026.80 : 166,540.20 = 27,920.80 : x
  2. Step 2: Convert to fraction form
    111,026.80/166,540.20 = 27,920.80/x
  3. Step 3: Cross multiply
    111,026.80x = 166,540.20 × 27,920.80
  4. Step 4: Simplify right side
    111,026.80x = 4,649,935,616.16
  5. Step 5: Solve for x
    x = 4,649,935,616.16/111,026.80
  6. Step 6: Final answer
    x = 41,881.20

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