Home / 166,786.24-230,164.70-90,305.41

Finding the Fourth Proportional to 166,786.24, 230,164.70 and 90,305.41

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Solution

The fourth proportional to 166,786.24, 230,164.70 and 90,305.41 is: 124,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,786.24 : 230,164.70 = 90,305.41 : x
  2. Step 2: Convert to fraction form
    166,786.24/230,164.70 = 90,305.41/x
  3. Step 3: Cross multiply
    166,786.24x = 230,164.70 × 90,305.41
  4. Step 4: Simplify right side
    166,786.24x = 20,785,117,601.03
  5. Step 5: Solve for x
    x = 20,785,117,601.03/166,786.24
  6. Step 6: Final answer
    x = 124,621.30

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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.