Home / 145.45-200.70-83.27

Finding the Fourth Proportional to 145.45, 200.70 and 83.27

Calculator

Solution

The fourth proportional to 145.45, 200.70 and 83.27 is: 114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145.45 : 200.70 = 83.27 : x
  2. Step 2: Convert to fraction form
    145.45/200.70 = 83.27/x
  3. Step 3: Cross multiply
    145.45x = 200.70 × 83.27
  4. Step 4: Simplify right side
    145.45x = 16,712.29
  5. Step 5: Solve for x
    x = 16,712.29/145.45
  6. Step 6: Final answer
    x = 114.90

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.