Home / 95,766.72-143,857.44-78,279.36

Finding the Fourth Proportional to 95,766.72, 143,857.44 and 78,279.36

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Solution

The fourth proportional to 95,766.72, 143,857.44 and 78,279.36 is: 117,588.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,766.72 : 143,857.44 = 78,279.36 : x
  2. Step 2: Convert to fraction form
    95,766.72/143,857.44 = 78,279.36/x
  3. Step 3: Cross multiply
    95,766.72x = 143,857.44 × 78,279.36
  4. Step 4: Simplify right side
    95,766.72x = 11,261,068,334.44
  5. Step 5: Solve for x
    x = 11,261,068,334.44/95,766.72
  6. Step 6: Final answer
    x = 117,588.54

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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.