Home / 166,071.08-229,183.64-90,623.72

Finding the Fourth Proportional to 166,071.08, 229,183.64 and 90,623.72

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Solution

The fourth proportional to 166,071.08, 229,183.64 and 90,623.72 is: 125,063.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,071.08 : 229,183.64 = 90,623.72 : x
  2. Step 2: Convert to fraction form
    166,071.08/229,183.64 = 90,623.72/x
  3. Step 3: Cross multiply
    166,071.08x = 229,183.64 × 90,623.72
  4. Step 4: Simplify right side
    166,071.08x = 20,769,474,019.94
  5. Step 5: Solve for x
    x = 20,769,474,019.94/166,071.08
  6. Step 6: Final answer
    x = 125,063.76

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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.