Home / 175,996.80-263,995.20-81,226.80

Finding the Fourth Proportional to 175,996.80, 263,995.20 and 81,226.80

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Solution

The fourth proportional to 175,996.80, 263,995.20 and 81,226.80 is: 121,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,996.80 : 263,995.20 = 81,226.80 : x
  2. Step 2: Convert to fraction form
    175,996.80/263,995.20 = 81,226.80/x
  3. Step 3: Cross multiply
    175,996.80x = 263,995.20 × 81,226.80
  4. Step 4: Simplify right side
    175,996.80x = 21,443,485,311.36
  5. Step 5: Solve for x
    x = 21,443,485,311.36/175,996.80
  6. Step 6: Final answer
    x = 121,840.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.