Home / 146,338.78-219,149.91-120,882.55

Finding the Fourth Proportional to 146,338.78, 219,149.91 and 120,882.55

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Solution

The fourth proportional to 146,338.78, 219,149.91 and 120,882.55 is: 181,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,338.78 : 219,149.91 = 120,882.55 : x
  2. Step 2: Convert to fraction form
    146,338.78/219,149.91 = 120,882.55/x
  3. Step 3: Cross multiply
    146,338.78x = 219,149.91 × 120,882.55
  4. Step 4: Simplify right side
    146,338.78x = 26,491,399,953.07
  5. Step 5: Solve for x
    x = 26,491,399,953.07/146,338.78
  6. Step 6: Final answer
    x = 181,027.89

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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.