Home / 166,587.47-229,890.86-91,135.97

Finding the Fourth Proportional to 166,587.47, 229,890.86 and 91,135.97

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Solution

The fourth proportional to 166,587.47, 229,890.86 and 91,135.97 is: 125,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,587.47 : 229,890.86 = 91,135.97 : x
  2. Step 2: Convert to fraction form
    166,587.47/229,890.86 = 91,135.97/x
  3. Step 3: Cross multiply
    166,587.47x = 229,890.86 × 91,135.97
  4. Step 4: Simplify right side
    166,587.47x = 20,951,326,118.95
  5. Step 5: Solve for x
    x = 20,951,326,118.95/166,587.47
  6. Step 6: Final answer
    x = 125,767.72

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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.