Home / 225,450-311,130.78-124,848

Finding the Fourth Proportional to 225,450, 311,130.78 and 124,848

Calculator

Solution

The fourth proportional to 225,450, 311,130.78 and 124,848 is: 172,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,450 : 311,130.78 = 124,848 : x
  2. Step 2: Convert to fraction form
    225,450/311,130.78 = 124,848/x
  3. Step 3: Cross multiply
    225,450x = 311,130.78 × 124,848
  4. Step 4: Simplify right side
    225,450x = 38,844,055,621.44
  5. Step 5: Solve for x
    x = 38,844,055,621.44/225,450
  6. Step 6: Final answer
    x = 172,295.66

Related Problems

Find fourth proportional to 112,725, 155,565.39 and 62,424
Half scale
Find fourth proportional to 450,900, 622,261.56 and 249,696
Double scale
Find fourth proportional to 225,451, 311,132.16 and 124,849
Similar ratio
Find fourth proportional to 338,175, 466,696.17 and 187,272
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.