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Finding the Fourth Proportional to 73,187.56, 100,998.84 and 39,653.56

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Solution

The fourth proportional to 73,187.56, 100,998.84 and 39,653.56 is: 54,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,187.56 : 100,998.84 = 39,653.56 : x
  2. Step 2: Convert to fraction form
    73,187.56/100,998.84 = 39,653.56/x
  3. Step 3: Cross multiply
    73,187.56x = 100,998.84 × 39,653.56
  4. Step 4: Simplify right side
    73,187.56x = 4,004,963,561.87
  5. Step 5: Solve for x
    x = 4,004,963,561.87/73,187.56
  6. Step 6: Final answer
    x = 54,721.92

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