Home / 164.99-227.71-123.47

Finding the Fourth Proportional to 164.99, 227.71 and 123.47

Calculator

Solution

The fourth proportional to 164.99, 227.71 and 123.47 is: 170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.99 : 227.71 = 123.47 : x
  2. Step 2: Convert to fraction form
    164.99/227.71 = 123.47/x
  3. Step 3: Cross multiply
    164.99x = 227.71 × 123.47
  4. Step 4: Simplify right side
    164.99x = 28,114.74
  5. Step 5: Solve for x
    x = 28,114.74/164.99
  6. Step 6: Final answer
    x = 170.40

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.