Home / 166,084.38-248,917.79-71,202.31

Finding the Fourth Proportional to 166,084.38, 248,917.79 and 71,202.31

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Solution

The fourth proportional to 166,084.38, 248,917.79 and 71,202.31 is: 106,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,084.38 : 248,917.79 = 71,202.31 : x
  2. Step 2: Convert to fraction form
    166,084.38/248,917.79 = 71,202.31/x
  3. Step 3: Cross multiply
    166,084.38x = 248,917.79 × 71,202.31
  4. Step 4: Simplify right side
    166,084.38x = 17,723,521,203.81
  5. Step 5: Solve for x
    x = 17,723,521,203.81/166,084.38
  6. Step 6: Final answer
    x = 106,713.96

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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.