Home / 197,785.60-272,939.52-108,359.68

Finding the Fourth Proportional to 197,785.60, 272,939.52 and 108,359.68

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Solution

The fourth proportional to 197,785.60, 272,939.52 and 108,359.68 is: 149,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,785.60 : 272,939.52 = 108,359.68 : x
  2. Step 2: Convert to fraction form
    197,785.60/272,939.52 = 108,359.68/x
  3. Step 3: Cross multiply
    197,785.60x = 272,939.52 × 108,359.68
  4. Step 4: Simplify right side
    197,785.60x = 29,575,639,046.55
  5. Step 5: Solve for x
    x = 29,575,639,046.55/197,785.60
  6. Step 6: Final answer
    x = 149,533.83

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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.