Home / 126,129.74-189,245.02-51,255.74

Finding the Fourth Proportional to 126,129.74, 189,245.02 and 51,255.74

Calculator

Solution

The fourth proportional to 126,129.74, 189,245.02 and 51,255.74 is: 76,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,129.74 : 189,245.02 = 51,255.74 : x
  2. Step 2: Convert to fraction form
    126,129.74/189,245.02 = 51,255.74/x
  3. Step 3: Cross multiply
    126,129.74x = 189,245.02 × 51,255.74
  4. Step 4: Simplify right side
    126,129.74x = 9,699,893,541.41
  5. Step 5: Solve for x
    x = 9,699,893,541.41/126,129.74
  6. Step 6: Final answer
    x = 76,904.10

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.