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Finding the Fourth Proportional to 140,042.96, 193,260.84 and 76,380.56

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Solution

The fourth proportional to 140,042.96, 193,260.84 and 76,380.56 is: 105,406.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,042.96 : 193,260.84 = 76,380.56 : x
  2. Step 2: Convert to fraction form
    140,042.96/193,260.84 = 76,380.56/x
  3. Step 3: Cross multiply
    140,042.96x = 193,260.84 × 76,380.56
  4. Step 4: Simplify right side
    140,042.96x = 14,761,371,185.27
  5. Step 5: Solve for x
    x = 14,761,371,185.27/140,042.96
  6. Step 6: Final answer
    x = 105,406.02

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