Home / 209,076.32-313,226.49-141,575.78

Finding the Fourth Proportional to 209,076.32, 313,226.49 and 141,575.78

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Solution

The fourth proportional to 209,076.32, 313,226.49 and 141,575.78 is: 212,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,076.32 : 313,226.49 = 141,575.78 : x
  2. Step 2: Convert to fraction form
    209,076.32/313,226.49 = 141,575.78/x
  3. Step 3: Cross multiply
    209,076.32x = 313,226.49 × 141,575.78
  4. Step 4: Simplify right side
    209,076.32x = 44,345,284,638.41
  5. Step 5: Solve for x
    x = 44,345,284,638.41/209,076.32
  6. Step 6: Final answer
    x = 212,100.94

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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.