Home / 166,590.12-229,896.18-91,137

Finding the Fourth Proportional to 166,590.12, 229,896.18 and 91,137

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Solution

The fourth proportional to 166,590.12, 229,896.18 and 91,137 is: 125,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,590.12 : 229,896.18 = 91,137 : x
  2. Step 2: Convert to fraction form
    166,590.12/229,896.18 = 91,137/x
  3. Step 3: Cross multiply
    166,590.12x = 229,896.18 × 91,137
  4. Step 4: Simplify right side
    166,590.12x = 20,952,048,156.66
  5. Step 5: Solve for x
    x = 20,952,048,156.66/166,590.12
  6. Step 6: Final answer
    x = 125,770.05

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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.