Home / 257,095.73-385,580.66-107,337.26

Finding the Fourth Proportional to 257,095.73, 385,580.66 and 107,337.26

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Solution

The fourth proportional to 257,095.73, 385,580.66 and 107,337.26 is: 160,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,095.73 : 385,580.66 = 107,337.26 : x
  2. Step 2: Convert to fraction form
    257,095.73/385,580.66 = 107,337.26/x
  3. Step 3: Cross multiply
    257,095.73x = 385,580.66 × 107,337.26
  4. Step 4: Simplify right side
    257,095.73x = 41,387,171,553.39
  5. Step 5: Solve for x
    x = 41,387,171,553.39/257,095.73
  6. Step 6: Final answer
    x = 160,979.61

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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.