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Finding the Fourth Proportional to 192,800.40, 289,546.20 and 140,269.20

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Solution

The fourth proportional to 192,800.40, 289,546.20 and 140,269.20 is: 210,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,800.40 : 289,546.20 = 140,269.20 : x
  2. Step 2: Convert to fraction form
    192,800.40/289,546.20 = 140,269.20/x
  3. Step 3: Cross multiply
    192,800.40x = 289,546.20 × 140,269.20
  4. Step 4: Simplify right side
    192,800.40x = 40,614,413,837.04
  5. Step 5: Solve for x
    x = 40,614,413,837.04/192,800.40
  6. Step 6: Final answer
    x = 210,655.24

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