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Finding the Fourth Proportional to 144,021.94, 198,718.46 and 83,557.56

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Solution

The fourth proportional to 144,021.94, 198,718.46 and 83,557.56 is: 115,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,021.94 : 198,718.46 = 83,557.56 : x
  2. Step 2: Convert to fraction form
    144,021.94/198,718.46 = 83,557.56/x
  3. Step 3: Cross multiply
    144,021.94x = 198,718.46 × 83,557.56
  4. Step 4: Simplify right side
    144,021.94x = 16,604,429,644.56
  5. Step 5: Solve for x
    x = 16,604,429,644.56/144,021.94
  6. Step 6: Final answer
    x = 115,290.97

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