Home / 166,601.16-229,912.92-91,151.28

Finding the Fourth Proportional to 166,601.16, 229,912.92 and 91,151.28

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Solution

The fourth proportional to 166,601.16, 229,912.92 and 91,151.28 is: 125,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,601.16 : 229,912.92 = 91,151.28 : x
  2. Step 2: Convert to fraction form
    166,601.16/229,912.92 = 91,151.28/x
  3. Step 3: Cross multiply
    166,601.16x = 229,912.92 × 91,151.28
  4. Step 4: Simplify right side
    166,601.16x = 20,956,856,946.54
  5. Step 5: Solve for x
    x = 20,956,856,946.54/166,601.16
  6. Step 6: Final answer
    x = 125,790.58

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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.