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Finding the Fourth Proportional to 113,713.80, 170,711.10 and 71,593.80

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Solution

The fourth proportional to 113,713.80, 170,711.10 and 71,593.80 is: 107,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,713.80 : 170,711.10 = 71,593.80 : x
  2. Step 2: Convert to fraction form
    113,713.80/170,711.10 = 71,593.80/x
  3. Step 3: Cross multiply
    113,713.80x = 170,711.10 × 71,593.80
  4. Step 4: Simplify right side
    113,713.80x = 12,221,856,351.18
  5. Step 5: Solve for x
    x = 12,221,856,351.18/113,713.80
  6. Step 6: Final answer
    x = 107,479.10

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