Home / 162.39-224-120.34

Finding the Fourth Proportional to 162.39, 224 and 120.34

Calculator

Solution

The fourth proportional to 162.39, 224 and 120.34 is: 166.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.39 : 224 = 120.34 : x
  2. Step 2: Convert to fraction form
    162.39/224 = 120.34/x
  3. Step 3: Cross multiply
    162.39x = 224 × 120.34
  4. Step 4: Simplify right side
    162.39x = 26,956.16
  5. Step 5: Solve for x
    x = 26,956.16/162.39
  6. Step 6: Final answer
    x = 166.00

Related Problems

Find fourth proportional to 81.20, 112 and 60.17
Half scale
Find fourth proportional to 324.78, 448 and 240.68
Double scale
Find fourth proportional to 163.39, 225.38 and 121.34
Similar ratio
Find fourth proportional to 243.59, 336 and 180.51
1.5x scale

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.