Home / 205,108.65-307,661.56-110,383.39

Finding the Fourth Proportional to 205,108.65, 307,661.56 and 110,383.39

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Solution

The fourth proportional to 205,108.65, 307,661.56 and 110,383.39 is: 165,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,108.65 : 307,661.56 = 110,383.39 : x
  2. Step 2: Convert to fraction form
    205,108.65/307,661.56 = 110,383.39/x
  3. Step 3: Cross multiply
    205,108.65x = 307,661.56 × 110,383.39
  4. Step 4: Simplify right side
    205,108.65x = 33,960,725,965.49
  5. Step 5: Solve for x
    x = 33,960,725,965.49/205,108.65
  6. Step 6: Final answer
    x = 165,574.32

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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.