Home / 146,771.56-219,972.06-80,072.68

Finding the Fourth Proportional to 146,771.56, 219,972.06 and 80,072.68

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Solution

The fourth proportional to 146,771.56, 219,972.06 and 80,072.68 is: 120,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,771.56 : 219,972.06 = 80,072.68 : x
  2. Step 2: Convert to fraction form
    146,771.56/219,972.06 = 80,072.68/x
  3. Step 3: Cross multiply
    146,771.56x = 219,972.06 × 80,072.68
  4. Step 4: Simplify right side
    146,771.56x = 17,613,752,369.32
  5. Step 5: Solve for x
    x = 17,613,752,369.32/146,771.56
  6. Step 6: Final answer
    x = 120,007.94

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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.