Home / 166,743.20-230,105.74-90,262.06

Finding the Fourth Proportional to 166,743.20, 230,105.74 and 90,262.06

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Solution

The fourth proportional to 166,743.20, 230,105.74 and 90,262.06 is: 124,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,743.20 : 230,105.74 = 90,262.06 : x
  2. Step 2: Convert to fraction form
    166,743.20/230,105.74 = 90,262.06/x
  3. Step 3: Cross multiply
    166,743.20x = 230,105.74 × 90,262.06
  4. Step 4: Simplify right side
    166,743.20x = 20,769,818,110.22
  5. Step 5: Solve for x
    x = 20,769,818,110.22/166,743.20
  6. Step 6: Final answer
    x = 124,561.71

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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.