Home / 110.54-165.65-64.80

Finding the Fourth Proportional to 110.54, 165.65 and 64.80

Calculator

Solution

The fourth proportional to 110.54, 165.65 and 64.80 is: 97.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.54 : 165.65 = 64.80 : x
  2. Step 2: Convert to fraction form
    110.54/165.65 = 64.80/x
  3. Step 3: Cross multiply
    110.54x = 165.65 × 64.80
  4. Step 4: Simplify right side
    110.54x = 10,733.80
  5. Step 5: Solve for x
    x = 10,733.80/110.54
  6. Step 6: Final answer
    x = 97.10

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.