Home / 319,845.98-479,685.24-95,145.92

Finding the Fourth Proportional to 319,845.98, 479,685.24 and 95,145.92

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Solution

The fourth proportional to 319,845.98, 479,685.24 and 95,145.92 is: 142,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,845.98 : 479,685.24 = 95,145.92 : x
  2. Step 2: Convert to fraction form
    319,845.98/479,685.24 = 95,145.92/x
  3. Step 3: Cross multiply
    319,845.98x = 479,685.24 × 95,145.92
  4. Step 4: Simplify right side
    319,845.98x = 45,640,093,470.22
  5. Step 5: Solve for x
    x = 45,640,093,470.22/319,845.98
  6. Step 6: Final answer
    x = 142,693.97

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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.