Home / 157,481.38-217,318.04-92,971.39

Finding the Fourth Proportional to 157,481.38, 217,318.04 and 92,971.39

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Solution

The fourth proportional to 157,481.38, 217,318.04 and 92,971.39 is: 128,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,481.38 : 217,318.04 = 92,971.39 : x
  2. Step 2: Convert to fraction form
    157,481.38/217,318.04 = 92,971.39/x
  3. Step 3: Cross multiply
    157,481.38x = 217,318.04 × 92,971.39
  4. Step 4: Simplify right side
    157,481.38x = 20,204,360,406.31
  5. Step 5: Solve for x
    x = 20,204,360,406.31/157,481.38
  6. Step 6: Final answer
    x = 128,296.82

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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.