Home / 126,006.56-188,914.82-76,074.80

Finding the Fourth Proportional to 126,006.56, 188,914.82 and 76,074.80

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Solution

The fourth proportional to 126,006.56, 188,914.82 and 76,074.80 is: 114,054.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,006.56 : 188,914.82 = 76,074.80 : x
  2. Step 2: Convert to fraction form
    126,006.56/188,914.82 = 76,074.80/x
  3. Step 3: Cross multiply
    126,006.56x = 188,914.82 × 76,074.80
  4. Step 4: Simplify right side
    126,006.56x = 14,371,657,148.54
  5. Step 5: Solve for x
    x = 14,371,657,148.54/126,006.56
  6. Step 6: Final answer
    x = 114,054.83

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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.