Home / 126,623.80-189,935.70-33,129.55

Finding the Fourth Proportional to 126,623.80, 189,935.70 and 33,129.55

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Solution

The fourth proportional to 126,623.80, 189,935.70 and 33,129.55 is: 49,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,623.80 : 189,935.70 = 33,129.55 : x
  2. Step 2: Convert to fraction form
    126,623.80/189,935.70 = 33,129.55/x
  3. Step 3: Cross multiply
    126,623.80x = 189,935.70 × 33,129.55
  4. Step 4: Simplify right side
    126,623.80x = 6,292,484,269.94
  5. Step 5: Solve for x
    x = 6,292,484,269.94/126,623.80
  6. Step 6: Final answer
    x = 49,694.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.