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Finding the Fourth Proportional to 177,876.80, 266,815.20 and 72,771.20

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Solution

The fourth proportional to 177,876.80, 266,815.20 and 72,771.20 is: 109,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,876.80 : 266,815.20 = 72,771.20 : x
  2. Step 2: Convert to fraction form
    177,876.80/266,815.20 = 72,771.20/x
  3. Step 3: Cross multiply
    177,876.80x = 266,815.20 × 72,771.20
  4. Step 4: Simplify right side
    177,876.80x = 19,416,462,282.24
  5. Step 5: Solve for x
    x = 19,416,462,282.24/177,876.80
  6. Step 6: Final answer
    x = 109,156.80

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