Home / 146,443.38-219,682.38-51,653.79

Finding the Fourth Proportional to 146,443.38, 219,682.38 and 51,653.79

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Solution

The fourth proportional to 146,443.38, 219,682.38 and 51,653.79 is: 77,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,443.38 : 219,682.38 = 51,653.79 : x
  2. Step 2: Convert to fraction form
    146,443.38/219,682.38 = 51,653.79/x
  3. Step 3: Cross multiply
    146,443.38x = 219,682.38 × 51,653.79
  4. Step 4: Simplify right side
    146,443.38x = 11,347,427,523.22
  5. Step 5: Solve for x
    x = 11,347,427,523.22/146,443.38
  6. Step 6: Final answer
    x = 77,486.79

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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.