Home / 87,373.12-120,452.76-73,890.16

Finding the Fourth Proportional to 87,373.12, 120,452.76 and 73,890.16

Calculator

Solution

The fourth proportional to 87,373.12, 120,452.76 and 73,890.16 is: 101,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,373.12 : 120,452.76 = 73,890.16 : x
  2. Step 2: Convert to fraction form
    87,373.12/120,452.76 = 73,890.16/x
  3. Step 3: Cross multiply
    87,373.12x = 120,452.76 × 73,890.16
  4. Step 4: Simplify right side
    87,373.12x = 8,900,273,708.84
  5. Step 5: Solve for x
    x = 8,900,273,708.84/87,373.12
  6. Step 6: Final answer
    x = 101,865.12

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.