Home / 178.43-246.24-100.82

Finding the Fourth Proportional to 178.43, 246.24 and 100.82

Calculator

Solution

The fourth proportional to 178.43, 246.24 and 100.82 is: 139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.43 : 246.24 = 100.82 : x
  2. Step 2: Convert to fraction form
    178.43/246.24 = 100.82/x
  3. Step 3: Cross multiply
    178.43x = 246.24 × 100.82
  4. Step 4: Simplify right side
    178.43x = 24,825.92
  5. Step 5: Solve for x
    x = 24,825.92/178.43
  6. Step 6: Final answer
    x = 139.14

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.