Home / 424,380.71-636,649.67-140,091.07

Finding the Fourth Proportional to 424,380.71, 636,649.67 and 140,091.07

Calculator

Solution

The fourth proportional to 424,380.71, 636,649.67 and 140,091.07 is: 210,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,380.71 : 636,649.67 = 140,091.07 : x
  2. Step 2: Convert to fraction form
    424,380.71/636,649.67 = 140,091.07/x
  3. Step 3: Cross multiply
    424,380.71x = 636,649.67 × 140,091.07
  4. Step 4: Simplify right side
    424,380.71x = 89,188,929,601.74
  5. Step 5: Solve for x
    x = 89,188,929,601.74/424,380.71
  6. Step 6: Final answer
    x = 210,162.54

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.