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Finding the Fourth Proportional to 231,805.20, 347,707.80 and 113,494.80

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Solution

The fourth proportional to 231,805.20, 347,707.80 and 113,494.80 is: 170,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,805.20 : 347,707.80 = 113,494.80 : x
  2. Step 2: Convert to fraction form
    231,805.20/347,707.80 = 113,494.80/x
  3. Step 3: Cross multiply
    231,805.20x = 347,707.80 × 113,494.80
  4. Step 4: Simplify right side
    231,805.20x = 39,463,027,219.44
  5. Step 5: Solve for x
    x = 39,463,027,219.44/231,805.20
  6. Step 6: Final answer
    x = 170,242.20

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