Home / 166,588.71-229,891.56-90,107.73

Finding the Fourth Proportional to 166,588.71, 229,891.56 and 90,107.73

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Solution

The fourth proportional to 166,588.71, 229,891.56 and 90,107.73 is: 124,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,588.71 : 229,891.56 = 90,107.73 : x
  2. Step 2: Convert to fraction form
    166,588.71/229,891.56 = 90,107.73/x
  3. Step 3: Cross multiply
    166,588.71x = 229,891.56 × 90,107.73
  4. Step 4: Simplify right side
    166,588.71x = 20,715,006,617.76
  5. Step 5: Solve for x
    x = 20,715,006,617.76/166,588.71
  6. Step 6: Final answer
    x = 124,348.20

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1.5x scale

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.