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Finding the Fourth Proportional to 200,048.22, 275,936.49 and 128,314.62

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Solution

The fourth proportional to 200,048.22, 275,936.49 and 128,314.62 is: 176,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,048.22 : 275,936.49 = 128,314.62 : x
  2. Step 2: Convert to fraction form
    200,048.22/275,936.49 = 128,314.62/x
  3. Step 3: Cross multiply
    200,048.22x = 275,936.49 × 128,314.62
  4. Step 4: Simplify right side
    200,048.22x = 35,406,685,858.48
  5. Step 5: Solve for x
    x = 35,406,685,858.48/200,048.22
  6. Step 6: Final answer
    x = 176,990.76

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