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Finding the Fourth Proportional to 179,791.71, 248,118.51 and 98,124.43

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Solution

The fourth proportional to 179,791.71, 248,118.51 and 98,124.43 is: 135,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,791.71 : 248,118.51 = 98,124.43 : x
  2. Step 2: Convert to fraction form
    179,791.71/248,118.51 = 98,124.43/x
  3. Step 3: Cross multiply
    179,791.71x = 248,118.51 × 98,124.43
  4. Step 4: Simplify right side
    179,791.71x = 24,346,487,366.20
  5. Step 5: Solve for x
    x = 24,346,487,366.20/179,791.71
  6. Step 6: Final answer
    x = 135,414.96

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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.