Home / 54,148.80-81,223.20-54,148.80

Finding the Fourth Proportional to 54,148.80, 81,223.20 and 54,148.80

Calculator

Solution

The fourth proportional to 54,148.80, 81,223.20 and 54,148.80 is: 81,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,148.80 : 81,223.20 = 54,148.80 : x
  2. Step 2: Convert to fraction form
    54,148.80/81,223.20 = 54,148.80/x
  3. Step 3: Cross multiply
    54,148.80x = 81,223.20 × 54,148.80
  4. Step 4: Simplify right side
    54,148.80x = 4,398,138,812.16
  5. Step 5: Solve for x
    x = 4,398,138,812.16/54,148.80
  6. Step 6: Final answer
    x = 81,223.20

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.