Home / 178.32-246.16-126.56

Finding the Fourth Proportional to 178.32, 246.16 and 126.56

Calculator

Solution

The fourth proportional to 178.32, 246.16 and 126.56 is: 174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.32 : 246.16 = 126.56 : x
  2. Step 2: Convert to fraction form
    178.32/246.16 = 126.56/x
  3. Step 3: Cross multiply
    178.32x = 246.16 × 126.56
  4. Step 4: Simplify right side
    178.32x = 31,154.01
  5. Step 5: Solve for x
    x = 31,154.01/178.32
  6. Step 6: Final answer
    x = 174.71

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.