Home / 120,534.76-180,803.24-31,800.88

Finding the Fourth Proportional to 120,534.76, 180,803.24 and 31,800.88

Calculator

Solution

The fourth proportional to 120,534.76, 180,803.24 and 31,800.88 is: 47,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,534.76 : 180,803.24 = 31,800.88 : x
  2. Step 2: Convert to fraction form
    120,534.76/180,803.24 = 31,800.88/x
  3. Step 3: Cross multiply
    120,534.76x = 180,803.24 × 31,800.88
  4. Step 4: Simplify right side
    120,534.76x = 5,749,702,138.85
  5. Step 5: Solve for x
    x = 5,749,702,138.85/120,534.76
  6. Step 6: Final answer
    x = 47,701.61

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.