Home / 126,731.46-174,928.38-73,052.37

Finding the Fourth Proportional to 126,731.46, 174,928.38 and 73,052.37

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Solution

The fourth proportional to 126,731.46, 174,928.38 and 73,052.37 is: 100,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,731.46 : 174,928.38 = 73,052.37 : x
  2. Step 2: Convert to fraction form
    126,731.46/174,928.38 = 73,052.37/x
  3. Step 3: Cross multiply
    126,731.46x = 174,928.38 × 73,052.37
  4. Step 4: Simplify right side
    126,731.46x = 12,778,932,739.26
  5. Step 5: Solve for x
    x = 12,778,932,739.26/126,731.46
  6. Step 6: Final answer
    x = 100,834.73

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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.