Home / 100,819.94-151,252.40-30,704.66

Finding the Fourth Proportional to 100,819.94, 151,252.40 and 30,704.66

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Solution

The fourth proportional to 100,819.94, 151,252.40 and 30,704.66 is: 46,063.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,819.94 : 151,252.40 = 30,704.66 : x
  2. Step 2: Convert to fraction form
    100,819.94/151,252.40 = 30,704.66/x
  3. Step 3: Cross multiply
    100,819.94x = 151,252.40 × 30,704.66
  4. Step 4: Simplify right side
    100,819.94x = 4,644,152,836.68
  5. Step 5: Solve for x
    x = 4,644,152,836.68/100,819.94
  6. Step 6: Final answer
    x = 46,063.83

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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.