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Finding the Fourth Proportional to 115,327.89, 172,990.80 and 36,442.13

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Solution

The fourth proportional to 115,327.89, 172,990.80 and 36,442.13 is: 54,662.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,327.89 : 172,990.80 = 36,442.13 : x
  2. Step 2: Convert to fraction form
    115,327.89/172,990.80 = 36,442.13/x
  3. Step 3: Cross multiply
    115,327.89x = 172,990.80 × 36,442.13
  4. Step 4: Simplify right side
    115,327.89x = 6,304,152,357.45
  5. Step 5: Solve for x
    x = 6,304,152,357.45/115,327.89
  6. Step 6: Final answer
    x = 54,662.86

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