Home / 156,660.86-216,190.50-85,039.34

Finding the Fourth Proportional to 156,660.86, 216,190.50 and 85,039.34

Calculator

Solution

The fourth proportional to 156,660.86, 216,190.50 and 85,039.34 is: 117,353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,660.86 : 216,190.50 = 85,039.34 : x
  2. Step 2: Convert to fraction form
    156,660.86/216,190.50 = 85,039.34/x
  3. Step 3: Cross multiply
    156,660.86x = 216,190.50 × 85,039.34
  4. Step 4: Simplify right side
    156,660.86x = 18,384,697,434.27
  5. Step 5: Solve for x
    x = 18,384,697,434.27/156,660.86
  6. Step 6: Final answer
    x = 117,353.48

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.