Home / 83.98-116.03-83.37

Finding the Fourth Proportional to 83.98, 116.03 and 83.37

Calculator

Solution

The fourth proportional to 83.98, 116.03 and 83.37 is: 115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83.98 : 116.03 = 83.37 : x
  2. Step 2: Convert to fraction form
    83.98/116.03 = 83.37/x
  3. Step 3: Cross multiply
    83.98x = 116.03 × 83.37
  4. Step 4: Simplify right side
    83.98x = 9,673.42
  5. Step 5: Solve for x
    x = 9,673.42/83.98
  6. Step 6: Final answer
    x = 115.19

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.