Home / 165,906.30-248,940.45-77,114.10

Finding the Fourth Proportional to 165,906.30, 248,940.45 and 77,114.10

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Solution

The fourth proportional to 165,906.30, 248,940.45 and 77,114.10 is: 115,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,906.30 : 248,940.45 = 77,114.10 : x
  2. Step 2: Convert to fraction form
    165,906.30/248,940.45 = 77,114.10/x
  3. Step 3: Cross multiply
    165,906.30x = 248,940.45 × 77,114.10
  4. Step 4: Simplify right side
    165,906.30x = 19,196,818,755.35
  5. Step 5: Solve for x
    x = 19,196,818,755.35/165,906.30
  6. Step 6: Final answer
    x = 115,708.80

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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.