Home / 325,109.15-487,542.76-111,817.19

Finding the Fourth Proportional to 325,109.15, 487,542.76 and 111,817.19

Calculator

Solution

The fourth proportional to 325,109.15, 487,542.76 and 111,817.19 is: 167,684.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,109.15 : 487,542.76 = 111,817.19 : x
  2. Step 2: Convert to fraction form
    325,109.15/487,542.76 = 111,817.19/x
  3. Step 3: Cross multiply
    325,109.15x = 487,542.76 × 111,817.19
  4. Step 4: Simplify right side
    325,109.15x = 54,515,660,868.96
  5. Step 5: Solve for x
    x = 54,515,660,868.96/325,109.15
  6. Step 6: Final answer
    x = 167,684.18

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.