Home / 166,589.40-229,891.50-91,137

Finding the Fourth Proportional to 166,589.40, 229,891.50 and 91,137

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Solution

The fourth proportional to 166,589.40, 229,891.50 and 91,137 is: 125,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,589.40 : 229,891.50 = 91,137 : x
  2. Step 2: Convert to fraction form
    166,589.40/229,891.50 = 91,137/x
  3. Step 3: Cross multiply
    166,589.40x = 229,891.50 × 91,137
  4. Step 4: Simplify right side
    166,589.40x = 20,951,621,635.50
  5. Step 5: Solve for x
    x = 20,951,621,635.50/166,589.40
  6. Step 6: Final answer
    x = 125,768.04

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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.