Home / 231,790.40-347,685.60-84,027.20

Finding the Fourth Proportional to 231,790.40, 347,685.60 and 84,027.20

Calculator

Solution

The fourth proportional to 231,790.40, 347,685.60 and 84,027.20 is: 126,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,790.40 : 347,685.60 = 84,027.20 : x
  2. Step 2: Convert to fraction form
    231,790.40/347,685.60 = 84,027.20/x
  3. Step 3: Cross multiply
    231,790.40x = 347,685.60 × 84,027.20
  4. Step 4: Simplify right side
    231,790.40x = 29,215,047,448.32
  5. Step 5: Solve for x
    x = 29,215,047,448.32/231,790.40
  6. Step 6: Final answer
    x = 126,040.80

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.