Home / 165,721.70-248,582.55-102,736.10

Finding the Fourth Proportional to 165,721.70, 248,582.55 and 102,736.10

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Solution

The fourth proportional to 165,721.70, 248,582.55 and 102,736.10 is: 154,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,721.70 : 248,582.55 = 102,736.10 : x
  2. Step 2: Convert to fraction form
    165,721.70/248,582.55 = 102,736.10/x
  3. Step 3: Cross multiply
    165,721.70x = 248,582.55 × 102,736.10
  4. Step 4: Simplify right side
    165,721.70x = 25,538,401,715.06
  5. Step 5: Solve for x
    x = 25,538,401,715.06/165,721.70
  6. Step 6: Final answer
    x = 154,104.15

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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.