Home / 119.25-164.40-92.98

Finding the Fourth Proportional to 119.25, 164.40 and 92.98

Calculator

Solution

The fourth proportional to 119.25, 164.40 and 92.98 is: 128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.25 : 164.40 = 92.98 : x
  2. Step 2: Convert to fraction form
    119.25/164.40 = 92.98/x
  3. Step 3: Cross multiply
    119.25x = 164.40 × 92.98
  4. Step 4: Simplify right side
    119.25x = 15,285.91
  5. Step 5: Solve for x
    x = 15,285.91/119.25
  6. Step 6: Final answer
    x = 128.18

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.