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Finding the Fourth Proportional to 95,951.80, 143,999.70 and 49,180.60

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Solution

The fourth proportional to 95,951.80, 143,999.70 and 49,180.60 is: 73,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,951.80 : 143,999.70 = 49,180.60 : x
  2. Step 2: Convert to fraction form
    95,951.80/143,999.70 = 49,180.60/x
  3. Step 3: Cross multiply
    95,951.80x = 143,999.70 × 49,180.60
  4. Step 4: Simplify right side
    95,951.80x = 7,081,991,645.82
  5. Step 5: Solve for x
    x = 7,081,991,645.82/95,951.80
  6. Step 6: Final answer
    x = 73,807.80

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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.