Home / 126,829.56-175,027.86-70,245.12

Finding the Fourth Proportional to 126,829.56, 175,027.86 and 70,245.12

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Solution

The fourth proportional to 126,829.56, 175,027.86 and 70,245.12 is: 96,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,829.56 : 175,027.86 = 70,245.12 : x
  2. Step 2: Convert to fraction form
    126,829.56/175,027.86 = 70,245.12/x
  3. Step 3: Cross multiply
    126,829.56x = 175,027.86 × 70,245.12
  4. Step 4: Simplify right side
    126,829.56x = 12,294,853,029.04
  5. Step 5: Solve for x
    x = 12,294,853,029.04/126,829.56
  6. Step 6: Final answer
    x = 96,939.96

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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.