Home / 198,443.86-273,694.03-130,530.49

Finding the Fourth Proportional to 198,443.86, 273,694.03 and 130,530.49

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Solution

The fourth proportional to 198,443.86, 273,694.03 and 130,530.49 is: 180,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,443.86 : 273,694.03 = 130,530.49 : x
  2. Step 2: Convert to fraction form
    198,443.86/273,694.03 = 130,530.49/x
  3. Step 3: Cross multiply
    198,443.86x = 273,694.03 × 130,530.49
  4. Step 4: Simplify right side
    198,443.86x = 35,725,415,845.97
  5. Step 5: Solve for x
    x = 35,725,415,845.97/198,443.86
  6. Step 6: Final answer
    x = 180,027.82

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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.