Home / 166,431.14-229,674.66-90,979.64

Finding the Fourth Proportional to 166,431.14, 229,674.66 and 90,979.64

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Solution

The fourth proportional to 166,431.14, 229,674.66 and 90,979.64 is: 125,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,431.14 : 229,674.66 = 90,979.64 : x
  2. Step 2: Convert to fraction form
    166,431.14/229,674.66 = 90,979.64/x
  3. Step 3: Cross multiply
    166,431.14x = 229,674.66 × 90,979.64
  4. Step 4: Simplify right side
    166,431.14x = 20,895,717,883.92
  5. Step 5: Solve for x
    x = 20,895,717,883.92/166,431.14
  6. Step 6: Final answer
    x = 125,551.73

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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.