Home / 80,118.81-120,169.04-20,960.19

Finding the Fourth Proportional to 80,118.81, 120,169.04 and 20,960.19

Calculator

Solution

The fourth proportional to 80,118.81, 120,169.04 and 20,960.19 is: 31,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,118.81 : 120,169.04 = 20,960.19 : x
  2. Step 2: Convert to fraction form
    80,118.81/120,169.04 = 20,960.19/x
  3. Step 3: Cross multiply
    80,118.81x = 120,169.04 × 20,960.19
  4. Step 4: Simplify right side
    80,118.81x = 2,518,765,805.72
  5. Step 5: Solve for x
    x = 2,518,765,805.72/80,118.81
  6. Step 6: Final answer
    x = 31,437.88

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.