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Finding the Fourth Proportional to 220,875.94, 331,345.23 and 71,081.43

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Solution

The fourth proportional to 220,875.94, 331,345.23 and 71,081.43 is: 106,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,875.94 : 331,345.23 = 71,081.43 : x
  2. Step 2: Convert to fraction form
    220,875.94/331,345.23 = 71,081.43/x
  3. Step 3: Cross multiply
    220,875.94x = 331,345.23 × 71,081.43
  4. Step 4: Simplify right side
    220,875.94x = 23,552,492,772.08
  5. Step 5: Solve for x
    x = 23,552,492,772.08/220,875.94
  6. Step 6: Final answer
    x = 106,632.22

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