Home / 247,835.90-371,544.87-107,488.82

Finding the Fourth Proportional to 247,835.90, 371,544.87 and 107,488.82

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Solution

The fourth proportional to 247,835.90, 371,544.87 and 107,488.82 is: 161,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,835.90 : 371,544.87 = 107,488.82 : x
  2. Step 2: Convert to fraction form
    247,835.90/371,544.87 = 107,488.82/x
  3. Step 3: Cross multiply
    247,835.90x = 371,544.87 × 107,488.82
  4. Step 4: Simplify right side
    247,835.90x = 39,936,919,653.35
  5. Step 5: Solve for x
    x = 39,936,919,653.35/247,835.90
  6. Step 6: Final answer
    x = 161,142.59

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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.