Home / 257,853.24-386,798.49-107,942.76

Finding the Fourth Proportional to 257,853.24, 386,798.49 and 107,942.76

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Solution

The fourth proportional to 257,853.24, 386,798.49 and 107,942.76 is: 161,921.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,853.24 : 386,798.49 = 107,942.76 : x
  2. Step 2: Convert to fraction form
    257,853.24/386,798.49 = 107,942.76/x
  3. Step 3: Cross multiply
    257,853.24x = 386,798.49 × 107,942.76
  4. Step 4: Simplify right side
    257,853.24x = 41,752,096,574.43
  5. Step 5: Solve for x
    x = 41,752,096,574.43/257,853.24
  6. Step 6: Final answer
    x = 161,921.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.