Home / 126,905.39-175,148.09-73,179.91

Finding the Fourth Proportional to 126,905.39, 175,148.09 and 73,179.91

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Solution

The fourth proportional to 126,905.39, 175,148.09 and 73,179.91 is: 100,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,905.39 : 175,148.09 = 73,179.91 : x
  2. Step 2: Convert to fraction form
    126,905.39/175,148.09 = 73,179.91/x
  3. Step 3: Cross multiply
    126,905.39x = 175,148.09 × 73,179.91
  4. Step 4: Simplify right side
    126,905.39x = 12,817,321,096.97
  5. Step 5: Solve for x
    x = 12,817,321,096.97/126,905.39
  6. Step 6: Final answer
    x = 100,999.03

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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.