Home / 126,043.76-188,919.36-51,070.66

Finding the Fourth Proportional to 126,043.76, 188,919.36 and 51,070.66

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Solution

The fourth proportional to 126,043.76, 188,919.36 and 51,070.66 is: 76,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,043.76 : 188,919.36 = 51,070.66 : x
  2. Step 2: Convert to fraction form
    126,043.76/188,919.36 = 51,070.66/x
  3. Step 3: Cross multiply
    126,043.76x = 188,919.36 × 51,070.66
  4. Step 4: Simplify right side
    126,043.76x = 9,648,235,929.68
  5. Step 5: Solve for x
    x = 9,648,235,929.68/126,043.76
  6. Step 6: Final answer
    x = 76,546.71

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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.