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Finding the Fourth Proportional to 144,718.56, 199,709.28 and 81,056.16

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Solution

The fourth proportional to 144,718.56, 199,709.28 and 81,056.16 is: 111,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,718.56 : 199,709.28 = 81,056.16 : x
  2. Step 2: Convert to fraction form
    144,718.56/199,709.28 = 81,056.16/x
  3. Step 3: Cross multiply
    144,718.56x = 199,709.28 × 81,056.16
  4. Step 4: Simplify right side
    144,718.56x = 16,187,667,353.16
  5. Step 5: Solve for x
    x = 16,187,667,353.16/144,718.56
  6. Step 6: Final answer
    x = 111,856.19

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