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Finding the Fourth Proportional to 149,481.13, 206,283.96 and 82,413.13

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Solution

The fourth proportional to 149,481.13, 206,283.96 and 82,413.13 is: 113,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,481.13 : 206,283.96 = 82,413.13 : x
  2. Step 2: Convert to fraction form
    149,481.13/206,283.96 = 82,413.13/x
  3. Step 3: Cross multiply
    149,481.13x = 206,283.96 × 82,413.13
  4. Step 4: Simplify right side
    149,481.13x = 17,000,506,812.39
  5. Step 5: Solve for x
    x = 17,000,506,812.39/149,481.13
  6. Step 6: Final answer
    x = 113,730.12

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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.