Home / 134,878.80-202,318.20-82,390.80

Finding the Fourth Proportional to 134,878.80, 202,318.20 and 82,390.80

Calculator

Solution

The fourth proportional to 134,878.80, 202,318.20 and 82,390.80 is: 123,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,878.80 : 202,318.20 = 82,390.80 : x
  2. Step 2: Convert to fraction form
    134,878.80/202,318.20 = 82,390.80/x
  3. Step 3: Cross multiply
    134,878.80x = 202,318.20 × 82,390.80
  4. Step 4: Simplify right side
    134,878.80x = 16,669,158,352.56
  5. Step 5: Solve for x
    x = 16,669,158,352.56/134,878.80
  6. Step 6: Final answer
    x = 123,586.20

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.