Home / 109.70-151.37-60.57

Finding the Fourth Proportional to 109.70, 151.37 and 60.57

Calculator

Solution

The fourth proportional to 109.70, 151.37 and 60.57 is: 83.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109.70 : 151.37 = 60.57 : x
  2. Step 2: Convert to fraction form
    109.70/151.37 = 60.57/x
  3. Step 3: Cross multiply
    109.70x = 151.37 × 60.57
  4. Step 4: Simplify right side
    109.70x = 9,168.63
  5. Step 5: Solve for x
    x = 9,168.63/109.70
  6. Step 6: Final answer
    x = 83.58

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.