Home / 111.03-153.17-67.37

Finding the Fourth Proportional to 111.03, 153.17 and 67.37

Calculator

Solution

The fourth proportional to 111.03, 153.17 and 67.37 is: 92.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.03 : 153.17 = 67.37 : x
  2. Step 2: Convert to fraction form
    111.03/153.17 = 67.37/x
  3. Step 3: Cross multiply
    111.03x = 153.17 × 67.37
  4. Step 4: Simplify right side
    111.03x = 10,319.11
  5. Step 5: Solve for x
    x = 10,319.11/111.03
  6. Step 6: Final answer
    x = 92.94

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.