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Finding the Fourth Proportional to 225,296.50, 310,918.90 and 124,694.50

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Solution

The fourth proportional to 225,296.50, 310,918.90 and 124,694.50 is: 172,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,296.50 : 310,918.90 = 124,694.50 : x
  2. Step 2: Convert to fraction form
    225,296.50/310,918.90 = 124,694.50/x
  3. Step 3: Cross multiply
    225,296.50x = 310,918.90 × 124,694.50
  4. Step 4: Simplify right side
    225,296.50x = 38,769,876,776.05
  5. Step 5: Solve for x
    x = 38,769,876,776.05/225,296.50
  6. Step 6: Final answer
    x = 172,083.80

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