Home / 166,435.38-229,680.82-90,983.88

Finding the Fourth Proportional to 166,435.38, 229,680.82 and 90,983.88

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Solution

The fourth proportional to 166,435.38, 229,680.82 and 90,983.88 is: 125,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,435.38 : 229,680.82 = 90,983.88 : x
  2. Step 2: Convert to fraction form
    166,435.38/229,680.82 = 90,983.88/x
  3. Step 3: Cross multiply
    166,435.38x = 229,680.82 × 90,983.88
  4. Step 4: Simplify right side
    166,435.38x = 20,897,252,165.18
  5. Step 5: Solve for x
    x = 20,897,252,165.18/166,435.38
  6. Step 6: Final answer
    x = 125,557.75

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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.