Home / 178,090.80-267,136.20-84,778.80

Finding the Fourth Proportional to 178,090.80, 267,136.20 and 84,778.80

Calculator

Solution

The fourth proportional to 178,090.80, 267,136.20 and 84,778.80 is: 127,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,090.80 : 267,136.20 = 84,778.80 : x
  2. Step 2: Convert to fraction form
    178,090.80/267,136.20 = 84,778.80/x
  3. Step 3: Cross multiply
    178,090.80x = 267,136.20 × 84,778.80
  4. Step 4: Simplify right side
    178,090.80x = 22,647,486,472.56
  5. Step 5: Solve for x
    x = 22,647,486,472.56/178,090.80
  6. Step 6: Final answer
    x = 127,168.20

Related Problems

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.