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Finding the Fourth Proportional to 165,161.34, 248,843.88 and 149,384.58

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Solution

The fourth proportional to 165,161.34, 248,843.88 and 149,384.58 is: 225,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,161.34 : 248,843.88 = 149,384.58 : x
  2. Step 2: Convert to fraction form
    165,161.34/248,843.88 = 149,384.58/x
  3. Step 3: Cross multiply
    165,161.34x = 248,843.88 × 149,384.58
  4. Step 4: Simplify right side
    165,161.34x = 37,173,438,499.37
  5. Step 5: Solve for x
    x = 37,173,438,499.37/165,161.34
  6. Step 6: Final answer
    x = 225,073.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.