Home / 115.92-173.70-96.89

Finding the Fourth Proportional to 115.92, 173.70 and 96.89

Calculator

Solution

The fourth proportional to 115.92, 173.70 and 96.89 is: 145.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115.92 : 173.70 = 96.89 : x
  2. Step 2: Convert to fraction form
    115.92/173.70 = 96.89/x
  3. Step 3: Cross multiply
    115.92x = 173.70 × 96.89
  4. Step 4: Simplify right side
    115.92x = 16,828.92
  5. Step 5: Solve for x
    x = 16,828.92/115.92
  6. Step 6: Final answer
    x = 145.18

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.