Home / 80,206-120,309-24,802

Finding the Fourth Proportional to 80,206, 120,309 and 24,802

Calculator

Solution

The fourth proportional to 80,206, 120,309 and 24,802 is: 37,203

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,206 : 120,309 = 24,802 : x
  2. Step 2: Convert to fraction form
    80,206/120,309 = 24,802/x
  3. Step 3: Cross multiply
    80,206x = 120,309 × 24,802
  4. Step 4: Simplify right side
    80,206x = 2,983,903,818
  5. Step 5: Solve for x
    x = 2,983,903,818/80,206
  6. Step 6: Final answer
    x = 37,203

Related Problems

Find fourth proportional to 40,103, 60,154.50 and 12,401
Half scale
Find fourth proportional to 160,412, 240,618 and 49,604
Double scale
Find fourth proportional to 80,207, 120,310.50 and 24,803
Similar ratio
Find fourth proportional to 120,309, 180,463.50 and 37,203
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.