Home / 126,739.15-174,918.50-73,013.83

Finding the Fourth Proportional to 126,739.15, 174,918.50 and 73,013.83

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Solution

The fourth proportional to 126,739.15, 174,918.50 and 73,013.83 is: 100,769.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,739.15 : 174,918.50 = 73,013.83 : x
  2. Step 2: Convert to fraction form
    126,739.15/174,918.50 = 73,013.83/x
  3. Step 3: Cross multiply
    126,739.15x = 174,918.50 × 73,013.83
  4. Step 4: Simplify right side
    126,739.15x = 12,771,469,622.86
  5. Step 5: Solve for x
    x = 12,771,469,622.86/126,739.15
  6. Step 6: Final answer
    x = 100,769.73

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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.