Home / 226,068-339,102-78,324

Finding the Fourth Proportional to 226,068, 339,102 and 78,324

Calculator

Solution

The fourth proportional to 226,068, 339,102 and 78,324 is: 117,486

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,068 : 339,102 = 78,324 : x
  2. Step 2: Convert to fraction form
    226,068/339,102 = 78,324/x
  3. Step 3: Cross multiply
    226,068x = 339,102 × 78,324
  4. Step 4: Simplify right side
    226,068x = 26,559,825,048
  5. Step 5: Solve for x
    x = 26,559,825,048/226,068
  6. Step 6: Final answer
    x = 117,486

Related Problems

Find fourth proportional to 113,034, 169,551 and 39,162
Half scale
Find fourth proportional to 452,136, 678,204 and 156,648
Double scale
Find fourth proportional to 226,069, 339,103.50 and 78,325
Similar ratio
Find fourth proportional to 339,102, 508,653 and 117,486
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.