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Finding the Fourth Proportional to 179,435.88, 247,627.13 and 102,969

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Solution

The fourth proportional to 179,435.88, 247,627.13 and 102,969 is: 142,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,435.88 : 247,627.13 = 102,969 : x
  2. Step 2: Convert to fraction form
    179,435.88/247,627.13 = 102,969/x
  3. Step 3: Cross multiply
    179,435.88x = 247,627.13 × 102,969
  4. Step 4: Simplify right side
    179,435.88x = 25,497,917,434.13
  5. Step 5: Solve for x
    x = 25,497,917,434.13/179,435.88
  6. Step 6: Final answer
    x = 142,100.44

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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.