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Finding the Fourth Proportional to 137,546.87, 189,815.18 and 80,225.75

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Solution

The fourth proportional to 137,546.87, 189,815.18 and 80,225.75 is: 110,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,546.87 : 189,815.18 = 80,225.75 : x
  2. Step 2: Convert to fraction form
    137,546.87/189,815.18 = 80,225.75/x
  3. Step 3: Cross multiply
    137,546.87x = 189,815.18 × 80,225.75
  4. Step 4: Simplify right side
    137,546.87x = 15,228,065,250.29
  5. Step 5: Solve for x
    x = 15,228,065,250.29/137,546.87
  6. Step 6: Final answer
    x = 110,711.83

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