Home / 168,078-252,160.20-57,270

Finding the Fourth Proportional to 168,078, 252,160.20 and 57,270

Calculator

Solution

The fourth proportional to 168,078, 252,160.20 and 57,270 is: 85,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,078 : 252,160.20 = 57,270 : x
  2. Step 2: Convert to fraction form
    168,078/252,160.20 = 57,270/x
  3. Step 3: Cross multiply
    168,078x = 252,160.20 × 57,270
  4. Step 4: Simplify right side
    168,078x = 14,441,214,654
  5. Step 5: Solve for x
    x = 14,441,214,654/168,078
  6. Step 6: Final answer
    x = 85,919.72

Related Problems

Find fourth proportional to 84,039, 126,080.10 and 28,635
Half scale
Find fourth proportional to 336,156, 504,320.40 and 114,540
Double scale
Find fourth proportional to 168,079, 252,161.70 and 57,271
Similar ratio
Find fourth proportional to 252,117, 378,240.30 and 85,905
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.