Home / 166,644.98-229,969.14-90,163.88

Finding the Fourth Proportional to 166,644.98, 229,969.14 and 90,163.88

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Solution

The fourth proportional to 166,644.98, 229,969.14 and 90,163.88 is: 124,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,644.98 : 229,969.14 = 90,163.88 : x
  2. Step 2: Convert to fraction form
    166,644.98/229,969.14 = 90,163.88/x
  3. Step 3: Cross multiply
    166,644.98x = 229,969.14 × 90,163.88
  4. Step 4: Simplify right side
    166,644.98x = 20,734,909,942.66
  5. Step 5: Solve for x
    x = 20,734,909,942.66/166,644.98
  6. Step 6: Final answer
    x = 124,425.65

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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.