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Finding the Fourth Proportional to 147,231.20, 220,846.80 and 36,423.20

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Solution

The fourth proportional to 147,231.20, 220,846.80 and 36,423.20 is: 54,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,231.20 : 220,846.80 = 36,423.20 : x
  2. Step 2: Convert to fraction form
    147,231.20/220,846.80 = 36,423.20/x
  3. Step 3: Cross multiply
    147,231.20x = 220,846.80 × 36,423.20
  4. Step 4: Simplify right side
    147,231.20x = 8,043,947,165.76
  5. Step 5: Solve for x
    x = 8,043,947,165.76/147,231.20
  6. Step 6: Final answer
    x = 54,634.80

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