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Finding the Fourth Proportional to 123,083.20, 184,711.20 and 53,012.80

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Solution

The fourth proportional to 123,083.20, 184,711.20 and 53,012.80 is: 79,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,083.20 : 184,711.20 = 53,012.80 : x
  2. Step 2: Convert to fraction form
    123,083.20/184,711.20 = 53,012.80/x
  3. Step 3: Cross multiply
    123,083.20x = 184,711.20 × 53,012.80
  4. Step 4: Simplify right side
    123,083.20x = 9,792,057,903.36
  5. Step 5: Solve for x
    x = 9,792,057,903.36/123,083.20
  6. Step 6: Final answer
    x = 79,556.41

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