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Finding the Fourth Proportional to 131,792.72, 197,799.24 and 119,392.44

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Solution

The fourth proportional to 131,792.72, 197,799.24 and 119,392.44 is: 179,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,792.72 : 197,799.24 = 119,392.44 : x
  2. Step 2: Convert to fraction form
    131,792.72/197,799.24 = 119,392.44/x
  3. Step 3: Cross multiply
    131,792.72x = 197,799.24 × 119,392.44
  4. Step 4: Simplify right side
    131,792.72x = 23,615,733,893.75
  5. Step 5: Solve for x
    x = 23,615,733,893.75/131,792.72
  6. Step 6: Final answer
    x = 179,188.46

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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.