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Finding the Fourth Proportional to 185,493.25, 255,980.71 and 104,919.04

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Solution

The fourth proportional to 185,493.25, 255,980.71 and 104,919.04 is: 144,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,493.25 : 255,980.71 = 104,919.04 : x
  2. Step 2: Convert to fraction form
    185,493.25/255,980.71 = 104,919.04/x
  3. Step 3: Cross multiply
    185,493.25x = 255,980.71 × 104,919.04
  4. Step 4: Simplify right side
    185,493.25x = 26,857,250,351.72
  5. Step 5: Solve for x
    x = 26,857,250,351.72/185,493.25
  6. Step 6: Final answer
    x = 144,788.29

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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.