Home / 219,810.29-329,198.75-107,137.41

Finding the Fourth Proportional to 219,810.29, 329,198.75 and 107,137.41

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Solution

The fourth proportional to 219,810.29, 329,198.75 and 107,137.41 is: 160,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,810.29 : 329,198.75 = 107,137.41 : x
  2. Step 2: Convert to fraction form
    219,810.29/329,198.75 = 107,137.41/x
  3. Step 3: Cross multiply
    219,810.29x = 329,198.75 × 107,137.41
  4. Step 4: Simplify right side
    219,810.29x = 35,269,502,550.81
  5. Step 5: Solve for x
    x = 35,269,502,550.81/219,810.29
  6. Step 6: Final answer
    x = 160,454.28

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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.