Home / 165,738.90-248,608.35-102,753.30

Finding the Fourth Proportional to 165,738.90, 248,608.35 and 102,753.30

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Solution

The fourth proportional to 165,738.90, 248,608.35 and 102,753.30 is: 154,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,738.90 : 248,608.35 = 102,753.30 : x
  2. Step 2: Convert to fraction form
    165,738.90/248,608.35 = 102,753.30/x
  3. Step 3: Cross multiply
    165,738.90x = 248,608.35 × 102,753.30
  4. Step 4: Simplify right side
    165,738.90x = 25,545,328,370.06
  5. Step 5: Solve for x
    x = 25,545,328,370.06/165,738.90
  6. Step 6: Final answer
    x = 154,129.95

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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.