Home / 253,812-380,718-106,068

Finding the Fourth Proportional to 253,812, 380,718 and 106,068

Calculator

Solution

The fourth proportional to 253,812, 380,718 and 106,068 is: 159,102

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,812 : 380,718 = 106,068 : x
  2. Step 2: Convert to fraction form
    253,812/380,718 = 106,068/x
  3. Step 3: Cross multiply
    253,812x = 380,718 × 106,068
  4. Step 4: Simplify right side
    253,812x = 40,381,996,824
  5. Step 5: Solve for x
    x = 40,381,996,824/253,812
  6. Step 6: Final answer
    x = 159,102

Related Problems

Find fourth proportional to 126,906, 190,359 and 53,034
Half scale
Find fourth proportional to 507,624, 761,436 and 212,136
Double scale
Find fourth proportional to 253,813, 380,719.50 and 106,069
Similar ratio
Find fourth proportional to 380,718, 571,077 and 159,102
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.