Home / 481,284-721,926-131,076

Finding the Fourth Proportional to 481,284, 721,926 and 131,076

Calculator

Solution

The fourth proportional to 481,284, 721,926 and 131,076 is: 196,614

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,284 : 721,926 = 131,076 : x
  2. Step 2: Convert to fraction form
    481,284/721,926 = 131,076/x
  3. Step 3: Cross multiply
    481,284x = 721,926 × 131,076
  4. Step 4: Simplify right side
    481,284x = 94,627,172,376
  5. Step 5: Solve for x
    x = 94,627,172,376/481,284
  6. Step 6: Final answer
    x = 196,614

Related Problems

Find fourth proportional to 240,642, 360,963 and 65,538
Half scale
Find fourth proportional to 962,568, 1,443,852 and 262,152
Double scale
Find fourth proportional to 481,285, 721,927.50 and 131,077
Similar ratio
Find fourth proportional to 721,926, 1,082,889 and 196,614
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.