Home / 271,384.21-406,998.55-91,450

Finding the Fourth Proportional to 271,384.21, 406,998.55 and 91,450

Calculator

Solution

The fourth proportional to 271,384.21, 406,998.55 and 91,450 is: 137,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,384.21 : 406,998.55 = 91,450 : x
  2. Step 2: Convert to fraction form
    271,384.21/406,998.55 = 91,450/x
  3. Step 3: Cross multiply
    271,384.21x = 406,998.55 × 91,450
  4. Step 4: Simplify right side
    271,384.21x = 37,220,017,397.50
  5. Step 5: Solve for x
    x = 37,220,017,397.50/271,384.21
  6. Step 6: Final answer
    x = 137,148.80

Related Problems

Find fourth proportional to 135,692.11, 203,499.28 and 45,725
Half scale
Find fourth proportional to 542,768.42, 813,997.10 and 182,900
Double scale
Find fourth proportional to 271,385.21, 407,000.05 and 91,451
Similar ratio
Find fourth proportional to 407,076.32, 610,497.83 and 137,175
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.