Home / 166,384.71-229,610.97-90,933.21

Finding the Fourth Proportional to 166,384.71, 229,610.97 and 90,933.21

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Solution

The fourth proportional to 166,384.71, 229,610.97 and 90,933.21 is: 125,487.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,384.71 : 229,610.97 = 90,933.21 : x
  2. Step 2: Convert to fraction form
    166,384.71/229,610.97 = 90,933.21/x
  3. Step 3: Cross multiply
    166,384.71x = 229,610.97 × 90,933.21
  4. Step 4: Simplify right side
    166,384.71x = 20,879,262,553.31
  5. Step 5: Solve for x
    x = 20,879,262,553.31/166,384.71
  6. Step 6: Final answer
    x = 125,487.87

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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.