Home / 103,413.04-155,120.16-36,855.73

Finding the Fourth Proportional to 103,413.04, 155,120.16 and 36,855.73

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Solution

The fourth proportional to 103,413.04, 155,120.16 and 36,855.73 is: 55,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,413.04 : 155,120.16 = 36,855.73 : x
  2. Step 2: Convert to fraction form
    103,413.04/155,120.16 = 36,855.73/x
  3. Step 3: Cross multiply
    103,413.04x = 155,120.16 × 36,855.73
  4. Step 4: Simplify right side
    103,413.04x = 5,717,066,734.52
  5. Step 5: Solve for x
    x = 5,717,066,734.52/103,413.04
  6. Step 6: Final answer
    x = 55,283.81

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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.