Home / 104.71-156.89-64.17

Finding the Fourth Proportional to 104.71, 156.89 and 64.17

Calculator

Solution

The fourth proportional to 104.71, 156.89 and 64.17 is: 96.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.71 : 156.89 = 64.17 : x
  2. Step 2: Convert to fraction form
    104.71/156.89 = 64.17/x
  3. Step 3: Cross multiply
    104.71x = 156.89 × 64.17
  4. Step 4: Simplify right side
    104.71x = 10,066.53
  5. Step 5: Solve for x
    x = 10,066.53/104.71
  6. Step 6: Final answer
    x = 96.14

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.