Home / 103,609.13-155,413.69-33,488.44

Finding the Fourth Proportional to 103,609.13, 155,413.69 and 33,488.44

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Solution

The fourth proportional to 103,609.13, 155,413.69 and 33,488.44 is: 50,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,609.13 : 155,413.69 = 33,488.44 : x
  2. Step 2: Convert to fraction form
    103,609.13/155,413.69 = 33,488.44/x
  3. Step 3: Cross multiply
    103,609.13x = 155,413.69 × 33,488.44
  4. Step 4: Simplify right side
    103,609.13x = 5,204,561,560.49
  5. Step 5: Solve for x
    x = 5,204,561,560.49/103,609.13
  6. Step 6: Final answer
    x = 50,232.66

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1.5x scale

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.