Home / 205,884.72-284,097.04-115,245.76

Finding the Fourth Proportional to 205,884.72, 284,097.04 and 115,245.76

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Solution

The fourth proportional to 205,884.72, 284,097.04 and 115,245.76 is: 159,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,884.72 : 284,097.04 = 115,245.76 : x
  2. Step 2: Convert to fraction form
    205,884.72/284,097.04 = 115,245.76/x
  3. Step 3: Cross multiply
    205,884.72x = 284,097.04 × 115,245.76
  4. Step 4: Simplify right side
    205,884.72x = 32,740,979,288.55
  5. Step 5: Solve for x
    x = 32,740,979,288.55/205,884.72
  6. Step 6: Final answer
    x = 159,025.79

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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.