Home / 103,906.42-143,389.19-58,584.49

Finding the Fourth Proportional to 103,906.42, 143,389.19 and 58,584.49

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Solution

The fourth proportional to 103,906.42, 143,389.19 and 58,584.49 is: 80,845.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,906.42 : 143,389.19 = 58,584.49 : x
  2. Step 2: Convert to fraction form
    103,906.42/143,389.19 = 58,584.49/x
  3. Step 3: Cross multiply
    103,906.42x = 143,389.19 × 58,584.49
  4. Step 4: Simplify right side
    103,906.42x = 8,400,382,355.65
  5. Step 5: Solve for x
    x = 8,400,382,355.65/103,906.42
  6. Step 6: Final answer
    x = 80,845.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.