Home / 145,949.45-218,956.97-46,115.63

Finding the Fourth Proportional to 145,949.45, 218,956.97 and 46,115.63

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Solution

The fourth proportional to 145,949.45, 218,956.97 and 46,115.63 is: 69,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,949.45 : 218,956.97 = 46,115.63 : x
  2. Step 2: Convert to fraction form
    145,949.45/218,956.97 = 46,115.63/x
  3. Step 3: Cross multiply
    145,949.45x = 218,956.97 × 46,115.63
  4. Step 4: Simplify right side
    145,949.45x = 10,097,338,456.03
  5. Step 5: Solve for x
    x = 10,097,338,456.03/145,949.45
  6. Step 6: Final answer
    x = 69,183.81

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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.