Home / 197,976.49-273,135.96-130,030.30

Finding the Fourth Proportional to 197,976.49, 273,135.96 and 130,030.30

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Solution

The fourth proportional to 197,976.49, 273,135.96 and 130,030.30 is: 179,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,976.49 : 273,135.96 = 130,030.30 : x
  2. Step 2: Convert to fraction form
    197,976.49/273,135.96 = 130,030.30/x
  3. Step 3: Cross multiply
    197,976.49x = 273,135.96 × 130,030.30
  4. Step 4: Simplify right side
    197,976.49x = 35,515,950,819.59
  5. Step 5: Solve for x
    x = 35,515,950,819.59/197,976.49
  6. Step 6: Final answer
    x = 179,394.79

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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.