Home / 115.41-173.16-61.29

Finding the Fourth Proportional to 115.41, 173.16 and 61.29

Calculator

Solution

The fourth proportional to 115.41, 173.16 and 61.29 is: 91.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115.41 : 173.16 = 61.29 : x
  2. Step 2: Convert to fraction form
    115.41/173.16 = 61.29/x
  3. Step 3: Cross multiply
    115.41x = 173.16 × 61.29
  4. Step 4: Simplify right side
    115.41x = 10,612.98
  5. Step 5: Solve for x
    x = 10,612.98/115.41
  6. Step 6: Final answer
    x = 91.96

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.