Home / 104.42-143.98-67.52

Finding the Fourth Proportional to 104.42, 143.98 and 67.52

Calculator

Solution

The fourth proportional to 104.42, 143.98 and 67.52 is: 93.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.42 : 143.98 = 67.52 : x
  2. Step 2: Convert to fraction form
    104.42/143.98 = 67.52/x
  3. Step 3: Cross multiply
    104.42x = 143.98 × 67.52
  4. Step 4: Simplify right side
    104.42x = 9,721.72
  5. Step 5: Solve for x
    x = 9,721.72/104.42
  6. Step 6: Final answer
    x = 93.10

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.