Home / 136,678.14-205,046.91-41,908.68

Finding the Fourth Proportional to 136,678.14, 205,046.91 and 41,908.68

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Solution

The fourth proportional to 136,678.14, 205,046.91 and 41,908.68 is: 62,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,678.14 : 205,046.91 = 41,908.68 : x
  2. Step 2: Convert to fraction form
    136,678.14/205,046.91 = 41,908.68/x
  3. Step 3: Cross multiply
    136,678.14x = 205,046.91 × 41,908.68
  4. Step 4: Simplify right side
    136,678.14x = 8,593,245,336.18
  5. Step 5: Solve for x
    x = 8,593,245,336.18/136,678.14
  6. Step 6: Final answer
    x = 62,872.13

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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.