Home / 206,860.12-310,284-57,109.55

Finding the Fourth Proportional to 206,860.12, 310,284 and 57,109.55

Calculator

Solution

The fourth proportional to 206,860.12, 310,284 and 57,109.55 is: 85,662.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,860.12 : 310,284 = 57,109.55 : x
  2. Step 2: Convert to fraction form
    206,860.12/310,284 = 57,109.55/x
  3. Step 3: Cross multiply
    206,860.12x = 310,284 × 57,109.55
  4. Step 4: Simplify right side
    206,860.12x = 17,720,179,612.20
  5. Step 5: Solve for x
    x = 17,720,179,612.20/206,860.12
  6. Step 6: Final answer
    x = 85,662.62

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.