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Finding the Fourth Proportional to 247,409.28, 371,113.92 and 142,161.12

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Solution

The fourth proportional to 247,409.28, 371,113.92 and 142,161.12 is: 213,241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,409.28 : 371,113.92 = 142,161.12 : x
  2. Step 2: Convert to fraction form
    247,409.28/371,113.92 = 142,161.12/x
  3. Step 3: Cross multiply
    247,409.28x = 371,113.92 × 142,161.12
  4. Step 4: Simplify right side
    247,409.28x = 52,757,970,514.79
  5. Step 5: Solve for x
    x = 52,757,970,514.79/247,409.28
  6. Step 6: Final answer
    x = 213,241.68

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