Home / 120,721.72-166,593.40-67,003.51

Finding the Fourth Proportional to 120,721.72, 166,593.40 and 67,003.51

Calculator

Solution

The fourth proportional to 120,721.72, 166,593.40 and 67,003.51 is: 92,463.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,721.72 : 166,593.40 = 67,003.51 : x
  2. Step 2: Convert to fraction form
    120,721.72/166,593.40 = 67,003.51/x
  3. Step 3: Cross multiply
    120,721.72x = 166,593.40 × 67,003.51
  4. Step 4: Simplify right side
    120,721.72x = 11,162,342,542.83
  5. Step 5: Solve for x
    x = 11,162,342,542.83/120,721.72
  6. Step 6: Final answer
    x = 92,463.42

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.