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Finding the Fourth Proportional to 135,444.13, 186,914.27 and 81,718.77

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Solution

The fourth proportional to 135,444.13, 186,914.27 and 81,718.77 is: 112,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,444.13 : 186,914.27 = 81,718.77 : x
  2. Step 2: Convert to fraction form
    135,444.13/186,914.27 = 81,718.77/x
  3. Step 3: Cross multiply
    135,444.13x = 186,914.27 × 81,718.77
  4. Step 4: Simplify right side
    135,444.13x = 15,274,404,239.85
  5. Step 5: Solve for x
    x = 15,274,404,239.85/135,444.13
  6. Step 6: Final answer
    x = 112,772.73

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