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Finding the Fourth Proportional to 99,604.99, 149,161.44 and 74,243.69

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Solution

The fourth proportional to 99,604.99, 149,161.44 and 74,243.69 is: 111,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,604.99 : 149,161.44 = 74,243.69 : x
  2. Step 2: Convert to fraction form
    99,604.99/149,161.44 = 74,243.69/x
  3. Step 3: Cross multiply
    99,604.99x = 149,161.44 × 74,243.69
  4. Step 4: Simplify right side
    99,604.99x = 11,074,294,965.51
  5. Step 5: Solve for x
    x = 11,074,294,965.51/99,604.99
  6. Step 6: Final answer
    x = 111,182.13

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