Home / 81,404.69-122,124.48-25,243.58

Finding the Fourth Proportional to 81,404.69, 122,124.48 and 25,243.58

Calculator

Solution

The fourth proportional to 81,404.69, 122,124.48 and 25,243.58 is: 37,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,404.69 : 122,124.48 = 25,243.58 : x
  2. Step 2: Convert to fraction form
    81,404.69/122,124.48 = 25,243.58/x
  3. Step 3: Cross multiply
    81,404.69x = 122,124.48 × 25,243.58
  4. Step 4: Simplify right side
    81,404.69x = 3,082,858,470.22
  5. Step 5: Solve for x
    x = 3,082,858,470.22/81,404.69
  6. Step 6: Final answer
    x = 37,870.77

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.