Home / 111,086.24-166,241.84-90,861.93

Finding the Fourth Proportional to 111,086.24, 166,241.84 and 90,861.93

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Solution

The fourth proportional to 111,086.24, 166,241.84 and 90,861.93 is: 135,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,086.24 : 166,241.84 = 90,861.93 : x
  2. Step 2: Convert to fraction form
    111,086.24/166,241.84 = 90,861.93/x
  3. Step 3: Cross multiply
    111,086.24x = 166,241.84 × 90,861.93
  4. Step 4: Simplify right side
    111,086.24x = 15,105,053,974.84
  5. Step 5: Solve for x
    x = 15,105,053,974.84/111,086.24
  6. Step 6: Final answer
    x = 135,975.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.