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Finding the Fourth Proportional to 333,836.75, 500,755.76 and 81,117.45

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Solution

The fourth proportional to 333,836.75, 500,755.76 and 81,117.45 is: 121,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,836.75 : 500,755.76 = 81,117.45 : x
  2. Step 2: Convert to fraction form
    333,836.75/500,755.76 = 81,117.45/x
  3. Step 3: Cross multiply
    333,836.75x = 500,755.76 × 81,117.45
  4. Step 4: Simplify right side
    333,836.75x = 40,620,029,918.42
  5. Step 5: Solve for x
    x = 40,620,029,918.42/333,836.75
  6. Step 6: Final answer
    x = 121,676.33

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