Home / 111.94-154.52-73.14

Finding the Fourth Proportional to 111.94, 154.52 and 73.14

Calculator

Solution

The fourth proportional to 111.94, 154.52 and 73.14 is: 100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.94 : 154.52 = 73.14 : x
  2. Step 2: Convert to fraction form
    111.94/154.52 = 73.14/x
  3. Step 3: Cross multiply
    111.94x = 154.52 × 73.14
  4. Step 4: Simplify right side
    111.94x = 11,301.59
  5. Step 5: Solve for x
    x = 11,301.59/111.94
  6. Step 6: Final answer
    x = 100.96

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.