Home / 220,770.21-331,204.70-80,528.84

Finding the Fourth Proportional to 220,770.21, 331,204.70 and 80,528.84

Calculator

Solution

The fourth proportional to 220,770.21, 331,204.70 and 80,528.84 is: 120,811.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,770.21 : 331,204.70 = 80,528.84 : x
  2. Step 2: Convert to fraction form
    220,770.21/331,204.70 = 80,528.84/x
  3. Step 3: Cross multiply
    220,770.21x = 331,204.70 × 80,528.84
  4. Step 4: Simplify right side
    220,770.21x = 26,671,530,293.55
  5. Step 5: Solve for x
    x = 26,671,530,293.55/220,770.21
  6. Step 6: Final answer
    x = 120,811.27

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.