Home / 219,841.82-329,786.63-70,046.90

Finding the Fourth Proportional to 219,841.82, 329,786.63 and 70,046.90

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Solution

The fourth proportional to 219,841.82, 329,786.63 and 70,046.90 is: 105,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,841.82 : 329,786.63 = 70,046.90 : x
  2. Step 2: Convert to fraction form
    219,841.82/329,786.63 = 70,046.90/x
  3. Step 3: Cross multiply
    219,841.82x = 329,786.63 × 70,046.90
  4. Step 4: Simplify right side
    219,841.82x = 23,100,531,829.85
  5. Step 5: Solve for x
    x = 23,100,531,829.85/219,841.82
  6. Step 6: Final answer
    x = 105,077.97

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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.