Home / 154,137.67-231,221.89-41,819.74

Finding the Fourth Proportional to 154,137.67, 231,221.89 and 41,819.74

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Solution

The fourth proportional to 154,137.67, 231,221.89 and 41,819.74 is: 62,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,137.67 : 231,221.89 = 41,819.74 : x
  2. Step 2: Convert to fraction form
    154,137.67/231,221.89 = 41,819.74/x
  3. Step 3: Cross multiply
    154,137.67x = 231,221.89 × 41,819.74
  4. Step 4: Simplify right side
    154,137.67x = 9,669,639,113.01
  5. Step 5: Solve for x
    x = 9,669,639,113.01/154,137.67
  6. Step 6: Final answer
    x = 62,733.78

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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.