Home / 166,318.52-229,508.82-90,866.96

Finding the Fourth Proportional to 166,318.52, 229,508.82 and 90,866.96

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Solution

The fourth proportional to 166,318.52, 229,508.82 and 90,866.96 is: 125,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,318.52 : 229,508.82 = 90,866.96 : x
  2. Step 2: Convert to fraction form
    166,318.52/229,508.82 = 90,866.96/x
  3. Step 3: Cross multiply
    166,318.52x = 229,508.82 × 90,866.96
  4. Step 4: Simplify right side
    166,318.52x = 20,854,768,766.59
  5. Step 5: Solve for x
    x = 20,854,768,766.59/166,318.52
  6. Step 6: Final answer
    x = 125,390.54

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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.