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Finding the Fourth Proportional to 95,940.90, 143,911.35 and 75,896.10

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Solution

The fourth proportional to 95,940.90, 143,911.35 and 75,896.10 is: 113,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,940.90 : 143,911.35 = 75,896.10 : x
  2. Step 2: Convert to fraction form
    95,940.90/143,911.35 = 75,896.10/x
  3. Step 3: Cross multiply
    95,940.90x = 143,911.35 × 75,896.10
  4. Step 4: Simplify right side
    95,940.90x = 10,922,310,210.74
  5. Step 5: Solve for x
    x = 10,922,310,210.74/95,940.90
  6. Step 6: Final answer
    x = 113,844.15

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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.