Home / 81,335.80-122,000.10-22,171.47

Finding the Fourth Proportional to 81,335.80, 122,000.10 and 22,171.47

Calculator

Solution

The fourth proportional to 81,335.80, 122,000.10 and 22,171.47 is: 33,256.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,335.80 : 122,000.10 = 22,171.47 : x
  2. Step 2: Convert to fraction form
    81,335.80/122,000.10 = 22,171.47/x
  3. Step 3: Cross multiply
    81,335.80x = 122,000.10 × 22,171.47
  4. Step 4: Simplify right side
    81,335.80x = 2,704,921,557.15
  5. Step 5: Solve for x
    x = 2,704,921,557.15/81,335.80
  6. Step 6: Final answer
    x = 33,256.22

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.