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Finding the Fourth Proportional to 103,394.80, 155,092.20 and 50,906.80

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Solution

The fourth proportional to 103,394.80, 155,092.20 and 50,906.80 is: 76,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,394.80 : 155,092.20 = 50,906.80 : x
  2. Step 2: Convert to fraction form
    103,394.80/155,092.20 = 50,906.80/x
  3. Step 3: Cross multiply
    103,394.80x = 155,092.20 × 50,906.80
  4. Step 4: Simplify right side
    103,394.80x = 7,895,247,606.96
  5. Step 5: Solve for x
    x = 7,895,247,606.96/103,394.80
  6. Step 6: Final answer
    x = 76,360.20

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