Home / 157.05-216.67-113.29

Finding the Fourth Proportional to 157.05, 216.67 and 113.29

Calculator

Solution

The fourth proportional to 157.05, 216.67 and 113.29 is: 156.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.05 : 216.67 = 113.29 : x
  2. Step 2: Convert to fraction form
    157.05/216.67 = 113.29/x
  3. Step 3: Cross multiply
    157.05x = 216.67 × 113.29
  4. Step 4: Simplify right side
    157.05x = 24,545.98
  5. Step 5: Solve for x
    x = 24,545.98/157.05
  6. Step 6: Final answer
    x = 156.29

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.