Home / 126,940.97-175,137.39-75,262.16

Finding the Fourth Proportional to 126,940.97, 175,137.39 and 75,262.16

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Solution

The fourth proportional to 126,940.97, 175,137.39 and 75,262.16 is: 103,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,940.97 : 175,137.39 = 75,262.16 : x
  2. Step 2: Convert to fraction form
    126,940.97/175,137.39 = 75,262.16/x
  3. Step 3: Cross multiply
    126,940.97x = 175,137.39 × 75,262.16
  4. Step 4: Simplify right side
    126,940.97x = 13,181,218,706.01
  5. Step 5: Solve for x
    x = 13,181,218,706.01/126,940.97
  6. Step 6: Final answer
    x = 103,837.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.