Home / 126.52-173.84-100.60

Finding the Fourth Proportional to 126.52, 173.84 and 100.60

Calculator

Solution

The fourth proportional to 126.52, 173.84 and 100.60 is: 138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126.52 : 173.84 = 100.60 : x
  2. Step 2: Convert to fraction form
    126.52/173.84 = 100.60/x
  3. Step 3: Cross multiply
    126.52x = 173.84 × 100.60
  4. Step 4: Simplify right side
    126.52x = 17,488.30
  5. Step 5: Solve for x
    x = 17,488.30/126.52
  6. Step 6: Final answer
    x = 138.23

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.