Home / 126,910.59-175,043.46-91,137.34

Finding the Fourth Proportional to 126,910.59, 175,043.46 and 91,137.34

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Solution

The fourth proportional to 126,910.59, 175,043.46 and 91,137.34 is: 125,702.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,910.59 : 175,043.46 = 91,137.34 : x
  2. Step 2: Convert to fraction form
    126,910.59/175,043.46 = 91,137.34/x
  3. Step 3: Cross multiply
    126,910.59x = 175,043.46 × 91,137.34
  4. Step 4: Simplify right side
    126,910.59x = 15,952,995,328.80
  5. Step 5: Solve for x
    x = 15,952,995,328.80/126,910.59
  6. Step 6: Final answer
    x = 125,702.63

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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.