Home / 162.15-223.38-112.94

Finding the Fourth Proportional to 162.15, 223.38 and 112.94

Calculator

Solution

The fourth proportional to 162.15, 223.38 and 112.94 is: 155.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.15 : 223.38 = 112.94 : x
  2. Step 2: Convert to fraction form
    162.15/223.38 = 112.94/x
  3. Step 3: Cross multiply
    162.15x = 223.38 × 112.94
  4. Step 4: Simplify right side
    162.15x = 25,227.42
  5. Step 5: Solve for x
    x = 25,227.42/162.15
  6. Step 6: Final answer
    x = 155.59

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.