Home / 80,652.80-120,921.60-36,243.20

Finding the Fourth Proportional to 80,652.80, 120,921.60 and 36,243.20

Calculator

Solution

The fourth proportional to 80,652.80, 120,921.60 and 36,243.20 is: 54,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,652.80 : 120,921.60 = 36,243.20 : x
  2. Step 2: Convert to fraction form
    80,652.80/120,921.60 = 36,243.20/x
  3. Step 3: Cross multiply
    80,652.80x = 120,921.60 × 36,243.20
  4. Step 4: Simplify right side
    80,652.80x = 4,382,585,733.12
  5. Step 5: Solve for x
    x = 4,382,585,733.12/80,652.80
  6. Step 6: Final answer
    x = 54,338.92

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.