Home / 169.79-234.48-145.09

Finding the Fourth Proportional to 169.79, 234.48 and 145.09

Calculator

Solution

The fourth proportional to 169.79, 234.48 and 145.09 is: 200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.79 : 234.48 = 145.09 : x
  2. Step 2: Convert to fraction form
    169.79/234.48 = 145.09/x
  3. Step 3: Cross multiply
    169.79x = 234.48 × 145.09
  4. Step 4: Simplify right side
    169.79x = 34,018.81
  5. Step 5: Solve for x
    x = 34,018.81/169.79
  6. Step 6: Final answer
    x = 200.36

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.