Home / 166,618.26-229,932.25-90,137.14

Finding the Fourth Proportional to 166,618.26, 229,932.25 and 90,137.14

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Solution

The fourth proportional to 166,618.26, 229,932.25 and 90,137.14 is: 124,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,618.26 : 229,932.25 = 90,137.14 : x
  2. Step 2: Convert to fraction form
    166,618.26/229,932.25 = 90,137.14/x
  3. Step 3: Cross multiply
    166,618.26x = 229,932.25 × 90,137.14
  4. Step 4: Simplify right side
    166,618.26x = 20,725,434,608.59
  5. Step 5: Solve for x
    x = 20,725,434,608.59/166,618.26
  6. Step 6: Final answer
    x = 124,388.74

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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.