Home / 111.33-153.65-62.22

Finding the Fourth Proportional to 111.33, 153.65 and 62.22

Calculator

Solution

The fourth proportional to 111.33, 153.65 and 62.22 is: 85.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.33 : 153.65 = 62.22 : x
  2. Step 2: Convert to fraction form
    111.33/153.65 = 62.22/x
  3. Step 3: Cross multiply
    111.33x = 153.65 × 62.22
  4. Step 4: Simplify right side
    111.33x = 9,560.03
  5. Step 5: Solve for x
    x = 9,560.03/111.33
  6. Step 6: Final answer
    x = 85.87

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.