Home / 80,142.45-120,212.25-23,982.72

Finding the Fourth Proportional to 80,142.45, 120,212.25 and 23,982.72

Calculator

Solution

The fourth proportional to 80,142.45, 120,212.25 and 23,982.72 is: 35,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,142.45 : 120,212.25 = 23,982.72 : x
  2. Step 2: Convert to fraction form
    80,142.45/120,212.25 = 23,982.72/x
  3. Step 3: Cross multiply
    80,142.45x = 120,212.25 × 23,982.72
  4. Step 4: Simplify right side
    80,142.45x = 2,883,016,732.32
  5. Step 5: Solve for x
    x = 2,883,016,732.32/80,142.45
  6. Step 6: Final answer
    x = 35,973.65

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.