Home / 76,126-114,229.92-31,783.12

Finding the Fourth Proportional to 76,126, 114,229.92 and 31,783.12

Calculator

Solution

The fourth proportional to 76,126, 114,229.92 and 31,783.12 is: 47,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,126 : 114,229.92 = 31,783.12 : x
  2. Step 2: Convert to fraction form
    76,126/114,229.92 = 31,783.12/x
  3. Step 3: Cross multiply
    76,126x = 114,229.92 × 31,783.12
  4. Step 4: Simplify right side
    76,126x = 3,630,583,254.95
  5. Step 5: Solve for x
    x = 3,630,583,254.95/76,126
  6. Step 6: Final answer
    x = 47,691.76

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.