Home / 261,082.35-391,650.89-111,338.46

Finding the Fourth Proportional to 261,082.35, 391,650.89 and 111,338.46

Calculator

Solution

The fourth proportional to 261,082.35, 391,650.89 and 111,338.46 is: 167,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,082.35 : 391,650.89 = 111,338.46 : x
  2. Step 2: Convert to fraction form
    261,082.35/391,650.89 = 111,338.46/x
  3. Step 3: Cross multiply
    261,082.35x = 391,650.89 × 111,338.46
  4. Step 4: Simplify right side
    261,082.35x = 43,605,806,393.54
  5. Step 5: Solve for x
    x = 43,605,806,393.54/261,082.35
  6. Step 6: Final answer
    x = 167,019.36

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.