Home / 227,321-313,703-126,719

Finding the Fourth Proportional to 227,321, 313,703 and 126,719

Calculator

Solution

The fourth proportional to 227,321, 313,703 and 126,719 is: 174,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,321 : 313,703 = 126,719 : x
  2. Step 2: Convert to fraction form
    227,321/313,703 = 126,719/x
  3. Step 3: Cross multiply
    227,321x = 313,703 × 126,719
  4. Step 4: Simplify right side
    227,321x = 39,752,130,457
  5. Step 5: Solve for x
    x = 39,752,130,457/227,321
  6. Step 6: Final answer
    x = 174,872.23

Related Problems

Find fourth proportional to 113,660.50, 156,851.50 and 63,359.50
Half scale
Find fourth proportional to 454,642, 627,406 and 253,438
Double scale
Find fourth proportional to 227,322, 313,704.38 and 126,720
Similar ratio
Find fourth proportional to 340,981.50, 470,554.50 and 190,078.50
1.5x scale

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.