Home / 95,974.20-143,918.10-43,356.60

Finding the Fourth Proportional to 95,974.20, 143,918.10 and 43,356.60

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Solution

The fourth proportional to 95,974.20, 143,918.10 and 43,356.60 is: 65,015.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,974.20 : 143,918.10 = 43,356.60 : x
  2. Step 2: Convert to fraction form
    95,974.20/143,918.10 = 43,356.60/x
  3. Step 3: Cross multiply
    95,974.20x = 143,918.10 × 43,356.60
  4. Step 4: Simplify right side
    95,974.20x = 6,239,799,494.46
  5. Step 5: Solve for x
    x = 6,239,799,494.46/95,974.20
  6. Step 6: Final answer
    x = 65,015.38

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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.