Home / 166,836.35-230,233.01-90,353.68

Finding the Fourth Proportional to 166,836.35, 230,233.01 and 90,353.68

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Solution

The fourth proportional to 166,836.35, 230,233.01 and 90,353.68 is: 124,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,836.35 : 230,233.01 = 90,353.68 : x
  2. Step 2: Convert to fraction form
    166,836.35/230,233.01 = 90,353.68/x
  3. Step 3: Cross multiply
    166,836.35x = 230,233.01 × 90,353.68
  4. Step 4: Simplify right side
    166,836.35x = 20,802,400,224.65
  5. Step 5: Solve for x
    x = 20,802,400,224.65/166,836.35
  6. Step 6: Final answer
    x = 124,687.46

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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.