Home / 207.43-286.23-124.54

Finding the Fourth Proportional to 207.43, 286.23 and 124.54

Calculator

Solution

The fourth proportional to 207.43, 286.23 and 124.54 is: 171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    207.43 : 286.23 = 124.54 : x
  2. Step 2: Convert to fraction form
    207.43/286.23 = 124.54/x
  3. Step 3: Cross multiply
    207.43x = 286.23 × 124.54
  4. Step 4: Simplify right side
    207.43x = 35,646.84
  5. Step 5: Solve for x
    x = 35,646.84/207.43
  6. Step 6: Final answer
    x = 171.85

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.