Home / 166,092.59-229,207.71-90,641.09

Finding the Fourth Proportional to 166,092.59, 229,207.71 and 90,641.09

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Solution

The fourth proportional to 166,092.59, 229,207.71 and 90,641.09 is: 125,084.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,092.59 : 229,207.71 = 90,641.09 : x
  2. Step 2: Convert to fraction form
    166,092.59/229,207.71 = 90,641.09/x
  3. Step 3: Cross multiply
    166,092.59x = 229,207.71 × 90,641.09
  4. Step 4: Simplify right side
    166,092.59x = 20,775,635,071.56
  5. Step 5: Solve for x
    x = 20,775,635,071.56/166,092.59
  6. Step 6: Final answer
    x = 125,084.66

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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.