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Finding the Fourth Proportional to 140,305.96, 193,619.10 and 76,644.04

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Solution

The fourth proportional to 140,305.96, 193,619.10 and 76,644.04 is: 105,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,305.96 : 193,619.10 = 76,644.04 : x
  2. Step 2: Convert to fraction form
    140,305.96/193,619.10 = 76,644.04/x
  3. Step 3: Cross multiply
    140,305.96x = 193,619.10 × 76,644.04
  4. Step 4: Simplify right side
    140,305.96x = 14,839,750,045.16
  5. Step 5: Solve for x
    x = 14,839,750,045.16/140,305.96
  6. Step 6: Final answer
    x = 105,767.07

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