Home / 110,997.20-166,495.80-81,472.70

Finding the Fourth Proportional to 110,997.20, 166,495.80 and 81,472.70

Calculator

Solution

The fourth proportional to 110,997.20, 166,495.80 and 81,472.70 is: 122,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,997.20 : 166,495.80 = 81,472.70 : x
  2. Step 2: Convert to fraction form
    110,997.20/166,495.80 = 81,472.70/x
  3. Step 3: Cross multiply
    110,997.20x = 166,495.80 × 81,472.70
  4. Step 4: Simplify right side
    110,997.20x = 13,564,862,364.66
  5. Step 5: Solve for x
    x = 13,564,862,364.66/110,997.20
  6. Step 6: Final answer
    x = 122,209.05

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.