Home / 221,839.71-332,778.02-72,076.69

Finding the Fourth Proportional to 221,839.71, 332,778.02 and 72,076.69

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Solution

The fourth proportional to 221,839.71, 332,778.02 and 72,076.69 is: 108,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,839.71 : 332,778.02 = 72,076.69 : x
  2. Step 2: Convert to fraction form
    221,839.71/332,778.02 = 72,076.69/x
  3. Step 3: Cross multiply
    221,839.71x = 332,778.02 × 72,076.69
  4. Step 4: Simplify right side
    221,839.71x = 23,985,536,775.50
  5. Step 5: Solve for x
    x = 23,985,536,775.50/221,839.71
  6. Step 6: Final answer
    x = 108,121.02

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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.