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Finding the Fourth Proportional to 140,917.67, 194,468.90 and 76,389.02

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Solution

The fourth proportional to 140,917.67, 194,468.90 and 76,389.02 is: 105,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,917.67 : 194,468.90 = 76,389.02 : x
  2. Step 2: Convert to fraction form
    140,917.67/194,468.90 = 76,389.02/x
  3. Step 3: Cross multiply
    140,917.67x = 194,468.90 × 76,389.02
  4. Step 4: Simplify right side
    140,917.67x = 14,855,288,309.53
  5. Step 5: Solve for x
    x = 14,855,288,309.53/140,917.67
  6. Step 6: Final answer
    x = 105,418.21

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