Home / 97.81-146.72-33.69

Finding the Fourth Proportional to 97.81, 146.72 and 33.69

Calculator

Solution

The fourth proportional to 97.81, 146.72 and 33.69 is: 50.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.81 : 146.72 = 33.69 : x
  2. Step 2: Convert to fraction form
    97.81/146.72 = 33.69/x
  3. Step 3: Cross multiply
    97.81x = 146.72 × 33.69
  4. Step 4: Simplify right side
    97.81x = 4,942.71
  5. Step 5: Solve for x
    x = 4,942.71/97.81
  6. Step 6: Final answer
    x = 50.53

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.