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Finding the Fourth Proportional to 192,040.80, 288,061.20 and 157,048.80

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Solution

The fourth proportional to 192,040.80, 288,061.20 and 157,048.80 is: 235,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,040.80 : 288,061.20 = 157,048.80 : x
  2. Step 2: Convert to fraction form
    192,040.80/288,061.20 = 157,048.80/x
  3. Step 3: Cross multiply
    192,040.80x = 288,061.20 × 157,048.80
  4. Step 4: Simplify right side
    192,040.80x = 45,239,665,786.56
  5. Step 5: Solve for x
    x = 45,239,665,786.56/192,040.80
  6. Step 6: Final answer
    x = 235,573.20

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