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Finding the Fourth Proportional to 200,939.70, 301,579.65 and 82,695.90

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Solution

The fourth proportional to 200,939.70, 301,579.65 and 82,695.90 is: 124,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,939.70 : 301,579.65 = 82,695.90 : x
  2. Step 2: Convert to fraction form
    200,939.70/301,579.65 = 82,695.90/x
  3. Step 3: Cross multiply
    200,939.70x = 301,579.65 × 82,695.90
  4. Step 4: Simplify right side
    200,939.70x = 24,939,400,578.44
  5. Step 5: Solve for x
    x = 24,939,400,578.44/200,939.70
  6. Step 6: Final answer
    x = 124,113.85

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