Home / 188,778.33-260,515.94-103,897.35

Finding the Fourth Proportional to 188,778.33, 260,515.94 and 103,897.35

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Solution

The fourth proportional to 188,778.33, 260,515.94 and 103,897.35 is: 143,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,778.33 : 260,515.94 = 103,897.35 : x
  2. Step 2: Convert to fraction form
    188,778.33/260,515.94 = 103,897.35/x
  3. Step 3: Cross multiply
    188,778.33x = 260,515.94 × 103,897.35
  4. Step 4: Simplify right side
    188,778.33x = 27,066,915,279.27
  5. Step 5: Solve for x
    x = 27,066,915,279.27/188,778.33
  6. Step 6: Final answer
    x = 143,379.36

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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.