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Finding the Fourth Proportional to 73,187.44, 100,998.80 and 39,653.44

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Solution

The fourth proportional to 73,187.44, 100,998.80 and 39,653.44 is: 54,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,187.44 : 100,998.80 = 39,653.44 : x
  2. Step 2: Convert to fraction form
    73,187.44/100,998.80 = 39,653.44/x
  3. Step 3: Cross multiply
    73,187.44x = 100,998.80 × 39,653.44
  4. Step 4: Simplify right side
    73,187.44x = 4,004,949,855.87
  5. Step 5: Solve for x
    x = 4,004,949,855.87/73,187.44
  6. Step 6: Final answer
    x = 54,721.82

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