Home / 125,961.69-188,939.60-51,061.80

Finding the Fourth Proportional to 125,961.69, 188,939.60 and 51,061.80

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Solution

The fourth proportional to 125,961.69, 188,939.60 and 51,061.80 is: 76,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,961.69 : 188,939.60 = 51,061.80 : x
  2. Step 2: Convert to fraction form
    125,961.69/188,939.60 = 51,061.80/x
  3. Step 3: Cross multiply
    125,961.69x = 188,939.60 × 51,061.80
  4. Step 4: Simplify right side
    125,961.69x = 9,647,596,067.28
  5. Step 5: Solve for x
    x = 9,647,596,067.28/125,961.69
  6. Step 6: Final answer
    x = 76,591.51

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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.