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Finding the Fourth Proportional to 169,698, 234,188.10 and 94,251.36

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Solution

The fourth proportional to 169,698, 234,188.10 and 94,251.36 is: 130,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,698 : 234,188.10 = 94,251.36 : x
  2. Step 2: Convert to fraction form
    169,698/234,188.10 = 94,251.36/x
  3. Step 3: Cross multiply
    169,698x = 234,188.10 × 94,251.36
  4. Step 4: Simplify right side
    169,698x = 22,072,546,920.82
  5. Step 5: Solve for x
    x = 22,072,546,920.82/169,698
  6. Step 6: Final answer
    x = 130,069.58

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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.