Home / 159,821.16-220,560.39-91,860.18

Finding the Fourth Proportional to 159,821.16, 220,560.39 and 91,860.18

Calculator

Solution

The fourth proportional to 159,821.16, 220,560.39 and 91,860.18 is: 126,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,821.16 : 220,560.39 = 91,860.18 : x
  2. Step 2: Convert to fraction form
    159,821.16/220,560.39 = 91,860.18/x
  3. Step 3: Cross multiply
    159,821.16x = 220,560.39 × 91,860.18
  4. Step 4: Simplify right side
    159,821.16x = 20,260,717,126.27
  5. Step 5: Solve for x
    x = 20,260,717,126.27/159,821.16
  6. Step 6: Final answer
    x = 126,771.18

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.