Home / 156,111.75-215,433.81-84,491.78

Finding the Fourth Proportional to 156,111.75, 215,433.81 and 84,491.78

Calculator

Solution

The fourth proportional to 156,111.75, 215,433.81 and 84,491.78 is: 116,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,111.75 : 215,433.81 = 84,491.78 : x
  2. Step 2: Convert to fraction form
    156,111.75/215,433.81 = 84,491.78/x
  3. Step 3: Cross multiply
    156,111.75x = 215,433.81 × 84,491.78
  4. Step 4: Simplify right side
    156,111.75x = 18,202,385,001.91
  5. Step 5: Solve for x
    x = 18,202,385,001.91/156,111.75
  6. Step 6: Final answer
    x = 116,598.43

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.