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Finding the Fourth Proportional to 171,020.52, 256,586.13 and 82,262.47

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Solution

The fourth proportional to 171,020.52, 256,586.13 and 82,262.47 is: 123,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,020.52 : 256,586.13 = 82,262.47 : x
  2. Step 2: Convert to fraction form
    171,020.52/256,586.13 = 82,262.47/x
  3. Step 3: Cross multiply
    171,020.52x = 256,586.13 × 82,262.47
  4. Step 4: Simplify right side
    171,020.52x = 21,107,408,821.54
  5. Step 5: Solve for x
    x = 21,107,408,821.54/171,020.52
  6. Step 6: Final answer
    x = 123,420.33

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