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Finding the Fourth Proportional to 235,108.73, 324,456.48 and 138,319.40

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Solution

The fourth proportional to 235,108.73, 324,456.48 and 138,319.40 is: 190,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,108.73 : 324,456.48 = 138,319.40 : x
  2. Step 2: Convert to fraction form
    235,108.73/324,456.48 = 138,319.40/x
  3. Step 3: Cross multiply
    235,108.73x = 324,456.48 × 138,319.40
  4. Step 4: Simplify right side
    235,108.73x = 44,878,626,450.85
  5. Step 5: Solve for x
    x = 44,878,626,450.85/235,108.73
  6. Step 6: Final answer
    x = 190,884.56

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