Home / 149,452.20-206,241.22-81,469.80

Finding the Fourth Proportional to 149,452.20, 206,241.22 and 81,469.80

Calculator

Solution

The fourth proportional to 149,452.20, 206,241.22 and 81,469.80 is: 112,426.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,452.20 : 206,241.22 = 81,469.80 : x
  2. Step 2: Convert to fraction form
    149,452.20/206,241.22 = 81,469.80/x
  3. Step 3: Cross multiply
    149,452.20x = 206,241.22 × 81,469.80
  4. Step 4: Simplify right side
    149,452.20x = 16,802,430,945.16
  5. Step 5: Solve for x
    x = 16,802,430,945.16/149,452.20
  6. Step 6: Final answer
    x = 112,426.79

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.