Home / 126,556.20-189,704.70-73,938.60

Finding the Fourth Proportional to 126,556.20, 189,704.70 and 73,938.60

Calculator

Solution

The fourth proportional to 126,556.20, 189,704.70 and 73,938.60 is: 110,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,556.20 : 189,704.70 = 73,938.60 : x
  2. Step 2: Convert to fraction form
    126,556.20/189,704.70 = 73,938.60/x
  3. Step 3: Cross multiply
    126,556.20x = 189,704.70 × 73,938.60
  4. Step 4: Simplify right side
    126,556.20x = 14,026,499,931.42
  5. Step 5: Solve for x
    x = 14,026,499,931.42/126,556.20
  6. Step 6: Final answer
    x = 110,832.18

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.