Home / 166,028.79-229,119.22-90,576.75

Finding the Fourth Proportional to 166,028.79, 229,119.22 and 90,576.75

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Solution

The fourth proportional to 166,028.79, 229,119.22 and 90,576.75 is: 124,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,028.79 : 229,119.22 = 90,576.75 : x
  2. Step 2: Convert to fraction form
    166,028.79/229,119.22 = 90,576.75/x
  3. Step 3: Cross multiply
    166,028.79x = 229,119.22 × 90,576.75
  4. Step 4: Simplify right side
    166,028.79x = 20,752,874,310.14
  5. Step 5: Solve for x
    x = 20,752,874,310.14/166,028.79
  6. Step 6: Final answer
    x = 124,995.64

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1.5x scale

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.