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Finding the Fourth Proportional to 139,236.77, 192,141.60 and 75,573.20

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Solution

The fourth proportional to 139,236.77, 192,141.60 and 75,573.20 is: 104,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,236.77 : 192,141.60 = 75,573.20 : x
  2. Step 2: Convert to fraction form
    139,236.77/192,141.60 = 75,573.20/x
  3. Step 3: Cross multiply
    139,236.77x = 192,141.60 × 75,573.20
  4. Step 4: Simplify right side
    139,236.77x = 14,520,754,604.41
  5. Step 5: Solve for x
    x = 14,520,754,604.41/139,236.77
  6. Step 6: Final answer
    x = 104,288.22

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