Home / 166,843.74-230,245.05-90,363.75

Finding the Fourth Proportional to 166,843.74, 230,245.05 and 90,363.75

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Solution

The fourth proportional to 166,843.74, 230,245.05 and 90,363.75 is: 124,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,843.74 : 230,245.05 = 90,363.75 : x
  2. Step 2: Convert to fraction form
    166,843.74/230,245.05 = 90,363.75/x
  3. Step 3: Cross multiply
    166,843.74x = 230,245.05 × 90,363.75
  4. Step 4: Simplify right side
    166,843.74x = 20,805,805,612.38
  5. Step 5: Solve for x
    x = 20,805,805,612.38/166,843.74
  6. Step 6: Final answer
    x = 124,702.34

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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.