Home / 197,732.58-272,869.39-107,086.46

Finding the Fourth Proportional to 197,732.58, 272,869.39 and 107,086.46

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Solution

The fourth proportional to 197,732.58, 272,869.39 and 107,086.46 is: 147,778.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,732.58 : 272,869.39 = 107,086.46 : x
  2. Step 2: Convert to fraction form
    197,732.58/272,869.39 = 107,086.46/x
  3. Step 3: Cross multiply
    197,732.58x = 272,869.39 × 107,086.46
  4. Step 4: Simplify right side
    197,732.58x = 29,220,615,786.97
  5. Step 5: Solve for x
    x = 29,220,615,786.97/197,732.58
  6. Step 6: Final answer
    x = 147,778.46

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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.