Home / 319,170.44-478,865-108,956

Finding the Fourth Proportional to 319,170.44, 478,865 and 108,956

Calculator

Solution

The fourth proportional to 319,170.44, 478,865 and 108,956 is: 163,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,170.44 : 478,865 = 108,956 : x
  2. Step 2: Convert to fraction form
    319,170.44/478,865 = 108,956/x
  3. Step 3: Cross multiply
    319,170.44x = 478,865 × 108,956
  4. Step 4: Simplify right side
    319,170.44x = 52,175,214,940
  5. Step 5: Solve for x
    x = 52,175,214,940/319,170.44
  6. Step 6: Final answer
    x = 163,471.33

Related Problems

Find fourth proportional to 159,585.22, 239,432.50 and 54,478
Half scale
Find fourth proportional to 638,340.88, 957,730 and 217,912
Double scale
Find fourth proportional to 319,171.44, 478,866.50 and 108,957
Similar ratio
Find fourth proportional to 478,755.66, 718,297.50 and 163,434
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.