Home / 96.94-133.78-58.13

Finding the Fourth Proportional to 96.94, 133.78 and 58.13

Calculator

Solution

The fourth proportional to 96.94, 133.78 and 58.13 is: 80.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.94 : 133.78 = 58.13 : x
  2. Step 2: Convert to fraction form
    96.94/133.78 = 58.13/x
  3. Step 3: Cross multiply
    96.94x = 133.78 × 58.13
  4. Step 4: Simplify right side
    96.94x = 7,775.82
  5. Step 5: Solve for x
    x = 7,775.82/96.94
  6. Step 6: Final answer
    x = 80.21

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.