Home / 219,947.05-329,854.76-114,708.61

Finding the Fourth Proportional to 219,947.05, 329,854.76 and 114,708.61

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Solution

The fourth proportional to 219,947.05, 329,854.76 and 114,708.61 is: 172,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,947.05 : 329,854.76 = 114,708.61 : x
  2. Step 2: Convert to fraction form
    219,947.05/329,854.76 = 114,708.61/x
  3. Step 3: Cross multiply
    219,947.05x = 329,854.76 × 114,708.61
  4. Step 4: Simplify right side
    219,947.05x = 37,837,181,021.48
  5. Step 5: Solve for x
    x = 37,837,181,021.48/219,947.05
  6. Step 6: Final answer
    x = 172,028.59

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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.