Home / 80,145.91-120,260.26-35,198.83

Finding the Fourth Proportional to 80,145.91, 120,260.26 and 35,198.83

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Solution

The fourth proportional to 80,145.91, 120,260.26 and 35,198.83 is: 52,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,145.91 : 120,260.26 = 35,198.83 : x
  2. Step 2: Convert to fraction form
    80,145.91/120,260.26 = 35,198.83/x
  3. Step 3: Cross multiply
    80,145.91x = 120,260.26 × 35,198.83
  4. Step 4: Simplify right side
    80,145.91x = 4,233,020,271.50
  5. Step 5: Solve for x
    x = 4,233,020,271.50/80,145.91
  6. Step 6: Final answer
    x = 52,816.42

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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.