Home / 103,183.96-154,788.54-40,005.16

Finding the Fourth Proportional to 103,183.96, 154,788.54 and 40,005.16

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Solution

The fourth proportional to 103,183.96, 154,788.54 and 40,005.16 is: 60,012.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,183.96 : 154,788.54 = 40,005.16 : x
  2. Step 2: Convert to fraction form
    103,183.96/154,788.54 = 40,005.16/x
  3. Step 3: Cross multiply
    103,183.96x = 154,788.54 × 40,005.16
  4. Step 4: Simplify right side
    103,183.96x = 6,192,340,308.87
  5. Step 5: Solve for x
    x = 6,192,340,308.87/103,183.96
  6. Step 6: Final answer
    x = 60,012.63

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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.