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Finding the Fourth Proportional to 177,791.20, 266,725.20 and 53,144.80

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Solution

The fourth proportional to 177,791.20, 266,725.20 and 53,144.80 is: 79,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,791.20 : 266,725.20 = 53,144.80 : x
  2. Step 2: Convert to fraction form
    177,791.20/266,725.20 = 53,144.80/x
  3. Step 3: Cross multiply
    177,791.20x = 266,725.20 × 53,144.80
  4. Step 4: Simplify right side
    177,791.20x = 14,175,057,408.96
  5. Step 5: Solve for x
    x = 14,175,057,408.96/177,791.20
  6. Step 6: Final answer
    x = 79,728.68

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