Home / 205,131-307,705.86-62,965.92

Finding the Fourth Proportional to 205,131, 307,705.86 and 62,965.92

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Solution

The fourth proportional to 205,131, 307,705.86 and 62,965.92 is: 94,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,131 : 307,705.86 = 62,965.92 : x
  2. Step 2: Convert to fraction form
    205,131/307,705.86 = 62,965.92/x
  3. Step 3: Cross multiply
    205,131x = 307,705.86 × 62,965.92
  4. Step 4: Simplify right side
    205,131x = 19,374,982,564.29
  5. Step 5: Solve for x
    x = 19,374,982,564.29/205,131
  6. Step 6: Final answer
    x = 94,451.75

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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.