Home / 126.53-174.60-93.80

Finding the Fourth Proportional to 126.53, 174.60 and 93.80

Calculator

Solution

The fourth proportional to 126.53, 174.60 and 93.80 is: 129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126.53 : 174.60 = 93.80 : x
  2. Step 2: Convert to fraction form
    126.53/174.60 = 93.80/x
  3. Step 3: Cross multiply
    126.53x = 174.60 × 93.80
  4. Step 4: Simplify right side
    126.53x = 16,377.48
  5. Step 5: Solve for x
    x = 16,377.48/126.53
  6. Step 6: Final answer
    x = 129.44

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.