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Finding the Fourth Proportional to 95,232, 131,420.16 and 55,495.68

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Solution

The fourth proportional to 95,232, 131,420.16 and 55,495.68 is: 76,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,232 : 131,420.16 = 55,495.68 : x
  2. Step 2: Convert to fraction form
    95,232/131,420.16 = 55,495.68/x
  3. Step 3: Cross multiply
    95,232x = 131,420.16 × 55,495.68
  4. Step 4: Simplify right side
    95,232x = 7,293,251,144.91
  5. Step 5: Solve for x
    x = 7,293,251,144.91/95,232
  6. Step 6: Final answer
    x = 76,584.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.