Home / 166,083.43-248,750.60-77,149.78

Finding the Fourth Proportional to 166,083.43, 248,750.60 and 77,149.78

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Solution

The fourth proportional to 166,083.43, 248,750.60 and 77,149.78 is: 115,550.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,083.43 : 248,750.60 = 77,149.78 : x
  2. Step 2: Convert to fraction form
    166,083.43/248,750.60 = 77,149.78/x
  3. Step 3: Cross multiply
    166,083.43x = 248,750.60 × 77,149.78
  4. Step 4: Simplify right side
    166,083.43x = 19,191,054,456.46
  5. Step 5: Solve for x
    x = 19,191,054,456.46/166,083.43
  6. Step 6: Final answer
    x = 115,550.69

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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.