Home / 73.34-109.91-37.18

Finding the Fourth Proportional to 73.34, 109.91 and 37.18

Calculator

Solution

The fourth proportional to 73.34, 109.91 and 37.18 is: 55.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.34 : 109.91 = 37.18 : x
  2. Step 2: Convert to fraction form
    73.34/109.91 = 37.18/x
  3. Step 3: Cross multiply
    73.34x = 109.91 × 37.18
  4. Step 4: Simplify right side
    73.34x = 4,086.45
  5. Step 5: Solve for x
    x = 4,086.45/73.34
  6. Step 6: Final answer
    x = 55.72

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.