Home / 80,113.06-120,177.83-30,235.15

Finding the Fourth Proportional to 80,113.06, 120,177.83 and 30,235.15

Calculator

Solution

The fourth proportional to 80,113.06, 120,177.83 and 30,235.15 is: 45,355.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,113.06 : 120,177.83 = 30,235.15 : x
  2. Step 2: Convert to fraction form
    80,113.06/120,177.83 = 30,235.15/x
  3. Step 3: Cross multiply
    80,113.06x = 120,177.83 × 30,235.15
  4. Step 4: Simplify right side
    80,113.06x = 3,633,594,716.72
  5. Step 5: Solve for x
    x = 3,633,594,716.72/80,113.06
  6. Step 6: Final answer
    x = 45,355.83

Related Problems

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.