Home / 257,827.93-386,760.52-107,917.38

Finding the Fourth Proportional to 257,827.93, 386,760.52 and 107,917.38

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Solution

The fourth proportional to 257,827.93, 386,760.52 and 107,917.38 is: 161,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,827.93 : 386,760.52 = 107,917.38 : x
  2. Step 2: Convert to fraction form
    257,827.93/386,760.52 = 107,917.38/x
  3. Step 3: Cross multiply
    257,827.93x = 386,760.52 × 107,917.38
  4. Step 4: Simplify right side
    257,827.93x = 41,738,182,140.73
  5. Step 5: Solve for x
    x = 41,738,182,140.73/257,827.93
  6. Step 6: Final answer
    x = 161,883.87

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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.