Home / 129,920.60-194,945.70-73,803.80

Finding the Fourth Proportional to 129,920.60, 194,945.70 and 73,803.80

Calculator

Solution

The fourth proportional to 129,920.60, 194,945.70 and 73,803.80 is: 110,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,920.60 : 194,945.70 = 73,803.80 : x
  2. Step 2: Convert to fraction form
    129,920.60/194,945.70 = 73,803.80/x
  3. Step 3: Cross multiply
    129,920.60x = 194,945.70 × 73,803.80
  4. Step 4: Simplify right side
    129,920.60x = 14,387,733,453.66
  5. Step 5: Solve for x
    x = 14,387,733,453.66/129,920.60
  6. Step 6: Final answer
    x = 110,742.51

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.