Home / 133.99-201.01-61.86

Finding the Fourth Proportional to 133.99, 201.01 and 61.86

Calculator

Solution

The fourth proportional to 133.99, 201.01 and 61.86 is: 92.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.99 : 201.01 = 61.86 : x
  2. Step 2: Convert to fraction form
    133.99/201.01 = 61.86/x
  3. Step 3: Cross multiply
    133.99x = 201.01 × 61.86
  4. Step 4: Simplify right side
    133.99x = 12,434.48
  5. Step 5: Solve for x
    x = 12,434.48/133.99
  6. Step 6: Final answer
    x = 92.80

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.