Home / 165.99-248.85-74.73

Finding the Fourth Proportional to 165.99, 248.85 and 74.73

Calculator

Solution

The fourth proportional to 165.99, 248.85 and 74.73 is: 112.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.99 : 248.85 = 74.73 : x
  2. Step 2: Convert to fraction form
    165.99/248.85 = 74.73/x
  3. Step 3: Cross multiply
    165.99x = 248.85 × 74.73
  4. Step 4: Simplify right side
    165.99x = 18,596.56
  5. Step 5: Solve for x
    x = 18,596.56/165.99
  6. Step 6: Final answer
    x = 112.03

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.