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Finding the Fourth Proportional to 100,706.62, 150,965.58 and 34,100.14

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Solution

The fourth proportional to 100,706.62, 150,965.58 and 34,100.14 is: 51,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,706.62 : 150,965.58 = 34,100.14 : x
  2. Step 2: Convert to fraction form
    100,706.62/150,965.58 = 34,100.14/x
  3. Step 3: Cross multiply
    100,706.62x = 150,965.58 × 34,100.14
  4. Step 4: Simplify right side
    100,706.62x = 5,147,947,413.18
  5. Step 5: Solve for x
    x = 5,147,947,413.18/100,706.62
  6. Step 6: Final answer
    x = 51,118.26

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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.