Home / 220,219.72-303,924.41-123,423.10

Finding the Fourth Proportional to 220,219.72, 303,924.41 and 123,423.10

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Solution

The fourth proportional to 220,219.72, 303,924.41 and 123,423.10 is: 170,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,219.72 : 303,924.41 = 123,423.10 : x
  2. Step 2: Convert to fraction form
    220,219.72/303,924.41 = 123,423.10/x
  3. Step 3: Cross multiply
    220,219.72x = 303,924.41 × 123,423.10
  4. Step 4: Simplify right side
    220,219.72x = 37,511,292,396.62
  5. Step 5: Solve for x
    x = 37,511,292,396.62/220,219.72
  6. Step 6: Final answer
    x = 170,335.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.