Home / 130,684-196,026-56,812

Finding the Fourth Proportional to 130,684, 196,026 and 56,812

Calculator

Solution

The fourth proportional to 130,684, 196,026 and 56,812 is: 85,218

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,684 : 196,026 = 56,812 : x
  2. Step 2: Convert to fraction form
    130,684/196,026 = 56,812/x
  3. Step 3: Cross multiply
    130,684x = 196,026 × 56,812
  4. Step 4: Simplify right side
    130,684x = 11,136,629,112
  5. Step 5: Solve for x
    x = 11,136,629,112/130,684
  6. Step 6: Final answer
    x = 85,218

Related Problems

Find fourth proportional to 65,342, 98,013 and 28,406
Half scale
Find fourth proportional to 261,368, 392,052 and 113,624
Double scale
Find fourth proportional to 130,685, 196,027.50 and 56,813
Similar ratio
Find fourth proportional to 196,026, 294,039 and 85,218
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.