Home / 121,857.10-182,789.39-33,112.48

Finding the Fourth Proportional to 121,857.10, 182,789.39 and 33,112.48

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Solution

The fourth proportional to 121,857.10, 182,789.39 and 33,112.48 is: 49,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,857.10 : 182,789.39 = 33,112.48 : x
  2. Step 2: Convert to fraction form
    121,857.10/182,789.39 = 33,112.48/x
  3. Step 3: Cross multiply
    121,857.10x = 182,789.39 × 33,112.48
  4. Step 4: Simplify right side
    121,857.10x = 6,052,610,020.59
  5. Step 5: Solve for x
    x = 6,052,610,020.59/121,857.10
  6. Step 6: Final answer
    x = 49,669.74

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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.