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Finding the Fourth Proportional to 67,193.67, 100,805.08 and 20,445.33

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Solution

The fourth proportional to 67,193.67, 100,805.08 and 20,445.33 is: 30,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,193.67 : 100,805.08 = 20,445.33 : x
  2. Step 2: Convert to fraction form
    67,193.67/100,805.08 = 20,445.33/x
  3. Step 3: Cross multiply
    67,193.67x = 100,805.08 × 20,445.33
  4. Step 4: Simplify right side
    67,193.67x = 2,060,992,981.99
  5. Step 5: Solve for x
    x = 2,060,992,981.99/67,193.67
  6. Step 6: Final answer
    x = 30,672.43

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