Home / 88,289.85-121,785.33-76,986.48

Finding the Fourth Proportional to 88,289.85, 121,785.33 and 76,986.48

Calculator

Solution

The fourth proportional to 88,289.85, 121,785.33 and 76,986.48 is: 106,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,289.85 : 121,785.33 = 76,986.48 : x
  2. Step 2: Convert to fraction form
    88,289.85/121,785.33 = 76,986.48/x
  3. Step 3: Cross multiply
    88,289.85x = 121,785.33 × 76,986.48
  4. Step 4: Simplify right side
    88,289.85x = 9,375,823,872.34
  5. Step 5: Solve for x
    x = 9,375,823,872.34/88,289.85
  6. Step 6: Final answer
    x = 106,193.68

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.