Home / 146,100.72-219,160.80-51,319.38

Finding the Fourth Proportional to 146,100.72, 219,160.80 and 51,319.38

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Solution

The fourth proportional to 146,100.72, 219,160.80 and 51,319.38 is: 76,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,100.72 : 219,160.80 = 51,319.38 : x
  2. Step 2: Convert to fraction form
    146,100.72/219,160.80 = 51,319.38/x
  3. Step 3: Cross multiply
    146,100.72x = 219,160.80 × 51,319.38
  4. Step 4: Simplify right side
    146,100.72x = 11,247,196,376.30
  5. Step 5: Solve for x
    x = 11,247,196,376.30/146,100.72
  6. Step 6: Final answer
    x = 76,982.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.