Home / 100,290.24-150,410.64-41,142.72

Finding the Fourth Proportional to 100,290.24, 150,410.64 and 41,142.72

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Solution

The fourth proportional to 100,290.24, 150,410.64 and 41,142.72 is: 61,703.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,290.24 : 150,410.64 = 41,142.72 : x
  2. Step 2: Convert to fraction form
    100,290.24/150,410.64 = 41,142.72/x
  3. Step 3: Cross multiply
    100,290.24x = 150,410.64 × 41,142.72
  4. Step 4: Simplify right side
    100,290.24x = 6,188,302,846.54
  5. Step 5: Solve for x
    x = 6,188,302,846.54/100,290.24
  6. Step 6: Final answer
    x = 61,703.94

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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.