Home / 247,781.05-371,671.82-67,853.32

Finding the Fourth Proportional to 247,781.05, 371,671.82 and 67,853.32

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Solution

The fourth proportional to 247,781.05, 371,671.82 and 67,853.32 is: 101,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,781.05 : 371,671.82 = 67,853.32 : x
  2. Step 2: Convert to fraction form
    247,781.05/371,671.82 = 67,853.32/x
  3. Step 3: Cross multiply
    247,781.05x = 371,671.82 × 67,853.32
  4. Step 4: Simplify right side
    247,781.05x = 25,219,166,937.44
  5. Step 5: Solve for x
    x = 25,219,166,937.44/247,781.05
  6. Step 6: Final answer
    x = 101,780.05

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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.