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Finding the Fourth Proportional to 179,620.80, 269,431.20 and 165,040.80

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Solution

The fourth proportional to 179,620.80, 269,431.20 and 165,040.80 is: 247,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,620.80 : 269,431.20 = 165,040.80 : x
  2. Step 2: Convert to fraction form
    179,620.80/269,431.20 = 165,040.80/x
  3. Step 3: Cross multiply
    179,620.80x = 269,431.20 × 165,040.80
  4. Step 4: Simplify right side
    179,620.80x = 44,467,140,792.96
  5. Step 5: Solve for x
    x = 44,467,140,792.96/179,620.80
  6. Step 6: Final answer
    x = 247,561.20

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