Home / 130,819.62-196,262.24-51,907.80

Finding the Fourth Proportional to 130,819.62, 196,262.24 and 51,907.80

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Solution

The fourth proportional to 130,819.62, 196,262.24 and 51,907.80 is: 77,874.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,819.62 : 196,262.24 = 51,907.80 : x
  2. Step 2: Convert to fraction form
    130,819.62/196,262.24 = 51,907.80/x
  3. Step 3: Cross multiply
    130,819.62x = 196,262.24 × 51,907.80
  4. Step 4: Simplify right side
    130,819.62x = 10,187,541,101.47
  5. Step 5: Solve for x
    x = 10,187,541,101.47/130,819.62
  6. Step 6: Final answer
    x = 77,874.72

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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.