Home / 126,820.41-175,043.61-73,137.66

Finding the Fourth Proportional to 126,820.41, 175,043.61 and 73,137.66

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Solution

The fourth proportional to 126,820.41, 175,043.61 and 73,137.66 is: 100,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,820.41 : 175,043.61 = 73,137.66 : x
  2. Step 2: Convert to fraction form
    126,820.41/175,043.61 = 73,137.66/x
  3. Step 3: Cross multiply
    126,820.41x = 175,043.61 × 73,137.66
  4. Step 4: Simplify right side
    126,820.41x = 12,802,280,033.35
  5. Step 5: Solve for x
    x = 12,802,280,033.35/126,820.41
  6. Step 6: Final answer
    x = 100,948.10

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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.