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Finding the Fourth Proportional to 95,846.70, 143,640.45 and 84,701.10

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Solution

The fourth proportional to 95,846.70, 143,640.45 and 84,701.10 is: 126,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,846.70 : 143,640.45 = 84,701.10 : x
  2. Step 2: Convert to fraction form
    95,846.70/143,640.45 = 84,701.10/x
  3. Step 3: Cross multiply
    95,846.70x = 143,640.45 × 84,701.10
  4. Step 4: Simplify right side
    95,846.70x = 12,166,504,119.50
  5. Step 5: Solve for x
    x = 12,166,504,119.50/95,846.70
  6. Step 6: Final answer
    x = 126,937.12

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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.