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Finding the Fourth Proportional to 177,553.40, 266,481.30 and 72,447.80

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Solution

The fourth proportional to 177,553.40, 266,481.30 and 72,447.80 is: 108,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,553.40 : 266,481.30 = 72,447.80 : x
  2. Step 2: Convert to fraction form
    177,553.40/266,481.30 = 72,447.80/x
  3. Step 3: Cross multiply
    177,553.40x = 266,481.30 × 72,447.80
  4. Step 4: Simplify right side
    177,553.40x = 19,305,983,926.14
  5. Step 5: Solve for x
    x = 19,305,983,926.14/177,553.40
  6. Step 6: Final answer
    x = 108,733.39

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