Home / 122,103.78-168,504.90-79,637.94

Finding the Fourth Proportional to 122,103.78, 168,504.90 and 79,637.94

Calculator

Solution

The fourth proportional to 122,103.78, 168,504.90 and 79,637.94 is: 109,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,103.78 : 168,504.90 = 79,637.94 : x
  2. Step 2: Convert to fraction form
    122,103.78/168,504.90 = 79,637.94/x
  3. Step 3: Cross multiply
    122,103.78x = 168,504.90 × 79,637.94
  4. Step 4: Simplify right side
    122,103.78x = 13,419,383,115.91
  5. Step 5: Solve for x
    x = 13,419,383,115.91/122,103.78
  6. Step 6: Final answer
    x = 109,901.46

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.