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Finding the Fourth Proportional to 163,083.78, 244,662.48 and 57,902.76

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Solution

The fourth proportional to 163,083.78, 244,662.48 and 57,902.76 is: 86,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,083.78 : 244,662.48 = 57,902.76 : x
  2. Step 2: Convert to fraction form
    163,083.78/244,662.48 = 57,902.76/x
  3. Step 3: Cross multiply
    163,083.78x = 244,662.48 × 57,902.76
  4. Step 4: Simplify right side
    163,083.78x = 14,166,632,860.44
  5. Step 5: Solve for x
    x = 14,166,632,860.44/163,083.78
  6. Step 6: Final answer
    x = 86,867.21

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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.