Home / 149,413.62-205,906.68-106,898.34

Finding the Fourth Proportional to 149,413.62, 205,906.68 and 106,898.34

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Solution

The fourth proportional to 149,413.62, 205,906.68 and 106,898.34 is: 147,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,413.62 : 205,906.68 = 106,898.34 : x
  2. Step 2: Convert to fraction form
    149,413.62/205,906.68 = 106,898.34/x
  3. Step 3: Cross multiply
    149,413.62x = 205,906.68 × 106,898.34
  4. Step 4: Simplify right side
    149,413.62x = 22,011,082,286.91
  5. Step 5: Solve for x
    x = 22,011,082,286.91/149,413.62
  6. Step 6: Final answer
    x = 147,316.44

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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.