Home / 101.96-152.61-74.48

Finding the Fourth Proportional to 101.96, 152.61 and 74.48

Calculator

Solution

The fourth proportional to 101.96, 152.61 and 74.48 is: 111.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.96 : 152.61 = 74.48 : x
  2. Step 2: Convert to fraction form
    101.96/152.61 = 74.48/x
  3. Step 3: Cross multiply
    101.96x = 152.61 × 74.48
  4. Step 4: Simplify right side
    101.96x = 11,365.63
  5. Step 5: Solve for x
    x = 11,365.63/101.96
  6. Step 6: Final answer
    x = 111.48

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.