Home / 127,682-191,523-40,130

Finding the Fourth Proportional to 127,682, 191,523 and 40,130

Calculator

Solution

The fourth proportional to 127,682, 191,523 and 40,130 is: 60,195

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,682 : 191,523 = 40,130 : x
  2. Step 2: Convert to fraction form
    127,682/191,523 = 40,130/x
  3. Step 3: Cross multiply
    127,682x = 191,523 × 40,130
  4. Step 4: Simplify right side
    127,682x = 7,685,817,990
  5. Step 5: Solve for x
    x = 7,685,817,990/127,682
  6. Step 6: Final answer
    x = 60,195

Related Problems

Find fourth proportional to 63,841, 95,761.50 and 20,065
Half scale
Find fourth proportional to 255,364, 383,046 and 80,260
Double scale
Find fourth proportional to 127,683, 191,524.50 and 40,131
Similar ratio
Find fourth proportional to 191,523, 287,284.50 and 60,195
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.