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Finding the Fourth Proportional to 95,754, 143,631 and 25,631.58

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Solution

The fourth proportional to 95,754, 143,631 and 25,631.58 is: 38,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,754 : 143,631 = 25,631.58 : x
  2. Step 2: Convert to fraction form
    95,754/143,631 = 25,631.58/x
  3. Step 3: Cross multiply
    95,754x = 143,631 × 25,631.58
  4. Step 4: Simplify right side
    95,754x = 3,681,489,466.98
  5. Step 5: Solve for x
    x = 3,681,489,466.98/95,754
  6. Step 6: Final answer
    x = 38,447.37

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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.