Home / 100.88-151.35-32.42

Finding the Fourth Proportional to 100.88, 151.35 and 32.42

Calculator

Solution

The fourth proportional to 100.88, 151.35 and 32.42 is: 48.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100.88 : 151.35 = 32.42 : x
  2. Step 2: Convert to fraction form
    100.88/151.35 = 32.42/x
  3. Step 3: Cross multiply
    100.88x = 151.35 × 32.42
  4. Step 4: Simplify right side
    100.88x = 4,906.01
  5. Step 5: Solve for x
    x = 4,906.01/100.88
  6. Step 6: Final answer
    x = 48.63

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.