Home / 166,121.28-229,246.56-90,669.60

Finding the Fourth Proportional to 166,121.28, 229,246.56 and 90,669.60

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Solution

The fourth proportional to 166,121.28, 229,246.56 and 90,669.60 is: 125,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,121.28 : 229,246.56 = 90,669.60 : x
  2. Step 2: Convert to fraction form
    166,121.28/229,246.56 = 90,669.60/x
  3. Step 3: Cross multiply
    166,121.28x = 229,246.56 × 90,669.60
  4. Step 4: Simplify right side
    166,121.28x = 20,785,693,896.58
  5. Step 5: Solve for x
    x = 20,785,693,896.58/166,121.28
  6. Step 6: Final answer
    x = 125,123.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.