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Finding the Fourth Proportional to 200,092.02, 300,062.70 and 81,699.99

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Solution

The fourth proportional to 200,092.02, 300,062.70 and 81,699.99 is: 122,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,092.02 : 300,062.70 = 81,699.99 : x
  2. Step 2: Convert to fraction form
    200,092.02/300,062.70 = 81,699.99/x
  3. Step 3: Cross multiply
    200,092.02x = 300,062.70 × 81,699.99
  4. Step 4: Simplify right side
    200,092.02x = 24,515,119,589.37
  5. Step 5: Solve for x
    x = 24,515,119,589.37/200,092.02
  6. Step 6: Final answer
    x = 122,519.23

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