Home / 221,103.27-331,661.40-61,180.52

Finding the Fourth Proportional to 221,103.27, 331,661.40 and 61,180.52

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Solution

The fourth proportional to 221,103.27, 331,661.40 and 61,180.52 is: 91,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,103.27 : 331,661.40 = 61,180.52 : x
  2. Step 2: Convert to fraction form
    221,103.27/331,661.40 = 61,180.52/x
  3. Step 3: Cross multiply
    221,103.27x = 331,661.40 × 61,180.52
  4. Step 4: Simplify right side
    221,103.27x = 20,291,215,257.62
  5. Step 5: Solve for x
    x = 20,291,215,257.62/221,103.27
  6. Step 6: Final answer
    x = 91,772.57

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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.