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Finding the Fourth Proportional to 83,814.40, 125,721.60 and 73,446.40

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Solution

The fourth proportional to 83,814.40, 125,721.60 and 73,446.40 is: 110,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,814.40 : 125,721.60 = 73,446.40 : x
  2. Step 2: Convert to fraction form
    83,814.40/125,721.60 = 73,446.40/x
  3. Step 3: Cross multiply
    83,814.40x = 125,721.60 × 73,446.40
  4. Step 4: Simplify right side
    83,814.40x = 9,233,798,922.24
  5. Step 5: Solve for x
    x = 9,233,798,922.24/83,814.40
  6. Step 6: Final answer
    x = 110,169.60

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