Home / 103,260.38-154,848.83-40,047.21

Finding the Fourth Proportional to 103,260.38, 154,848.83 and 40,047.21

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Solution

The fourth proportional to 103,260.38, 154,848.83 and 40,047.21 is: 60,054.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,260.38 : 154,848.83 = 40,047.21 : x
  2. Step 2: Convert to fraction form
    103,260.38/154,848.83 = 40,047.21/x
  3. Step 3: Cross multiply
    103,260.38x = 154,848.83 × 40,047.21
  4. Step 4: Simplify right side
    103,260.38x = 6,201,263,413.03
  5. Step 5: Solve for x
    x = 6,201,263,413.03/103,260.38
  6. Step 6: Final answer
    x = 60,054.63

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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.