Home / 166,572.38-229,869.89-90,091.49

Finding the Fourth Proportional to 166,572.38, 229,869.89 and 90,091.49

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Solution

The fourth proportional to 166,572.38, 229,869.89 and 90,091.49 is: 124,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,572.38 : 229,869.89 = 90,091.49 : x
  2. Step 2: Convert to fraction form
    166,572.38/229,869.89 = 90,091.49/x
  3. Step 3: Cross multiply
    166,572.38x = 229,869.89 × 90,091.49
  4. Step 4: Simplify right side
    166,572.38x = 20,709,319,296.43
  5. Step 5: Solve for x
    x = 20,709,319,296.43/166,572.38
  6. Step 6: Final answer
    x = 124,326.25

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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.