Home / 97,121.70-134,027.46-54,680.54

Finding the Fourth Proportional to 97,121.70, 134,027.46 and 54,680.54

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Solution

The fourth proportional to 97,121.70, 134,027.46 and 54,680.54 is: 75,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,121.70 : 134,027.46 = 54,680.54 : x
  2. Step 2: Convert to fraction form
    97,121.70/134,027.46 = 54,680.54/x
  3. Step 3: Cross multiply
    97,121.70x = 134,027.46 × 54,680.54
  4. Step 4: Simplify right side
    97,121.70x = 7,328,693,217.49
  5. Step 5: Solve for x
    x = 7,328,693,217.49/97,121.70
  6. Step 6: Final answer
    x = 75,458.86

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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.