Home / 212.16-292.76-124.82

Finding the Fourth Proportional to 212.16, 292.76 and 124.82

Calculator

Solution

The fourth proportional to 212.16, 292.76 and 124.82 is: 172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212.16 : 292.76 = 124.82 : x
  2. Step 2: Convert to fraction form
    212.16/292.76 = 124.82/x
  3. Step 3: Cross multiply
    212.16x = 292.76 × 124.82
  4. Step 4: Simplify right side
    212.16x = 36,542.30
  5. Step 5: Solve for x
    x = 36,542.30/212.16
  6. Step 6: Final answer
    x = 172.24

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.