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Finding the Fourth Proportional to 165,862.69, 248,794.03 and 55,054.69

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Solution

The fourth proportional to 165,862.69, 248,794.03 and 55,054.69 is: 82,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,862.69 : 248,794.03 = 55,054.69 : x
  2. Step 2: Convert to fraction form
    165,862.69/248,794.03 = 55,054.69/x
  3. Step 3: Cross multiply
    165,862.69x = 248,794.03 × 55,054.69
  4. Step 4: Simplify right side
    165,862.69x = 13,697,277,642.33
  5. Step 5: Solve for x
    x = 13,697,277,642.33/165,862.69
  6. Step 6: Final answer
    x = 82,582.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.