Home / 453,832.64-680,748.96-121,400

Finding the Fourth Proportional to 453,832.64, 680,748.96 and 121,400

Calculator

Solution

The fourth proportional to 453,832.64, 680,748.96 and 121,400 is: 182,100

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,832.64 : 680,748.96 = 121,400 : x
  2. Step 2: Convert to fraction form
    453,832.64/680,748.96 = 121,400/x
  3. Step 3: Cross multiply
    453,832.64x = 680,748.96 × 121,400
  4. Step 4: Simplify right side
    453,832.64x = 82,642,923,744
  5. Step 5: Solve for x
    x = 82,642,923,744/453,832.64
  6. Step 6: Final answer
    x = 182,100

Related Problems

Find fourth proportional to 226,916.32, 340,374.48 and 60,700
Half scale
Find fourth proportional to 907,665.28, 1,361,497.92 and 242,800
Double scale
Find fourth proportional to 453,833.64, 680,750.46 and 121,401
Similar ratio
Find fourth proportional to 680,748.96, 1,021,123.44 and 182,100
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.