Home / 80,458.11-120,640.11-24,281.37

Finding the Fourth Proportional to 80,458.11, 120,640.11 and 24,281.37

Calculator

Solution

The fourth proportional to 80,458.11, 120,640.11 and 24,281.37 is: 36,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,458.11 : 120,640.11 = 24,281.37 : x
  2. Step 2: Convert to fraction form
    80,458.11/120,640.11 = 24,281.37/x
  3. Step 3: Cross multiply
    80,458.11x = 120,640.11 × 24,281.37
  4. Step 4: Simplify right side
    80,458.11x = 2,929,307,147.75
  5. Step 5: Solve for x
    x = 2,929,307,147.75/80,458.11
  6. Step 6: Final answer
    x = 36,407.85

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.