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Finding the Fourth Proportional to 165,738.80, 248,608.20 and 54,930.80

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Solution

The fourth proportional to 165,738.80, 248,608.20 and 54,930.80 is: 82,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,738.80 : 248,608.20 = 54,930.80 : x
  2. Step 2: Convert to fraction form
    165,738.80/248,608.20 = 54,930.80/x
  3. Step 3: Cross multiply
    165,738.80x = 248,608.20 × 54,930.80
  4. Step 4: Simplify right side
    165,738.80x = 13,656,247,312.56
  5. Step 5: Solve for x
    x = 13,656,247,312.56/165,738.80
  6. Step 6: Final answer
    x = 82,396.20

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