Home / 221,462.70-332,194.05-81,203.10

Finding the Fourth Proportional to 221,462.70, 332,194.05 and 81,203.10

Calculator

Solution

The fourth proportional to 221,462.70, 332,194.05 and 81,203.10 is: 121,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,462.70 : 332,194.05 = 81,203.10 : x
  2. Step 2: Convert to fraction form
    221,462.70/332,194.05 = 81,203.10/x
  3. Step 3: Cross multiply
    221,462.70x = 332,194.05 × 81,203.10
  4. Step 4: Simplify right side
    221,462.70x = 26,975,186,661.56
  5. Step 5: Solve for x
    x = 26,975,186,661.56/221,462.70
  6. Step 6: Final answer
    x = 121,804.65

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.