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Finding the Fourth Proportional to 107,230.80, 160,846.20 and 80,619.60

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Solution

The fourth proportional to 107,230.80, 160,846.20 and 80,619.60 is: 120,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,230.80 : 160,846.20 = 80,619.60 : x
  2. Step 2: Convert to fraction form
    107,230.80/160,846.20 = 80,619.60/x
  3. Step 3: Cross multiply
    107,230.80x = 160,846.20 × 80,619.60
  4. Step 4: Simplify right side
    107,230.80x = 12,967,356,305.52
  5. Step 5: Solve for x
    x = 12,967,356,305.52/107,230.80
  6. Step 6: Final answer
    x = 120,929.40

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