Home / 251,367.98-376,839.54-109,105.65

Finding the Fourth Proportional to 251,367.98, 376,839.54 and 109,105.65

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Solution

The fourth proportional to 251,367.98, 376,839.54 and 109,105.65 is: 163,566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,367.98 : 376,839.54 = 109,105.65 : x
  2. Step 2: Convert to fraction form
    251,367.98/376,839.54 = 109,105.65/x
  3. Step 3: Cross multiply
    251,367.98x = 376,839.54 × 109,105.65
  4. Step 4: Simplify right side
    251,367.98x = 41,115,322,957.40
  5. Step 5: Solve for x
    x = 41,115,322,957.40/251,367.98
  6. Step 6: Final answer
    x = 163,566.27

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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.