Home / 148.14-204-120.32

Finding the Fourth Proportional to 148.14, 204 and 120.32

Calculator

Solution

The fourth proportional to 148.14, 204 and 120.32 is: 165.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.14 : 204 = 120.32 : x
  2. Step 2: Convert to fraction form
    148.14/204 = 120.32/x
  3. Step 3: Cross multiply
    148.14x = 204 × 120.32
  4. Step 4: Simplify right side
    148.14x = 24,545.28
  5. Step 5: Solve for x
    x = 24,545.28/148.14
  6. Step 6: Final answer
    x = 165.69

Related Problems

Find fourth proportional to 74.07, 102 and 60.16
Half scale
Find fourth proportional to 296.28, 408 and 240.64
Double scale
Find fourth proportional to 149.14, 205.38 and 121.32
Similar ratio
Find fourth proportional to 222.21, 306 and 180.48
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.