Home / 204,115.12-306,312-70,994.05

Finding the Fourth Proportional to 204,115.12, 306,312 and 70,994.05

Calculator

Solution

The fourth proportional to 204,115.12, 306,312 and 70,994.05 is: 106,539.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,115.12 : 306,312 = 70,994.05 : x
  2. Step 2: Convert to fraction form
    204,115.12/306,312 = 70,994.05/x
  3. Step 3: Cross multiply
    204,115.12x = 306,312 × 70,994.05
  4. Step 4: Simplify right side
    204,115.12x = 21,746,327,912.04
  5. Step 5: Solve for x
    x = 21,746,327,912.04/204,115.12
  6. Step 6: Final answer
    x = 106,539.53

Related Problems

Find fourth proportional to 102,057.56, 153,156 and 35,497.02
Half scale
Find fourth proportional to 408,230.23, 612,624 and 141,988.09
Double scale
Find fourth proportional to 204,116.12, 306,313.50 and 70,995.05
Similar ratio
Find fourth proportional to 306,172.67, 459,468 and 106,491.07
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.