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Finding the Fourth Proportional to 95,331.70, 142,986.48 and 25,216.48

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Solution

The fourth proportional to 95,331.70, 142,986.48 and 25,216.48 is: 37,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,331.70 : 142,986.48 = 25,216.48 : x
  2. Step 2: Convert to fraction form
    95,331.70/142,986.48 = 25,216.48/x
  3. Step 3: Cross multiply
    95,331.70x = 142,986.48 × 25,216.48
  4. Step 4: Simplify right side
    95,331.70x = 3,605,615,713.19
  5. Step 5: Solve for x
    x = 3,605,615,713.19/95,331.70
  6. Step 6: Final answer
    x = 37,821.79

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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.