Home / 100,239.06-150,339.78-50,305.77

Finding the Fourth Proportional to 100,239.06, 150,339.78 and 50,305.77

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Solution

The fourth proportional to 100,239.06, 150,339.78 and 50,305.77 is: 75,449.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,239.06 : 150,339.78 = 50,305.77 : x
  2. Step 2: Convert to fraction form
    100,239.06/150,339.78 = 50,305.77/x
  3. Step 3: Cross multiply
    100,239.06x = 150,339.78 × 50,305.77
  4. Step 4: Simplify right side
    100,239.06x = 7,562,958,394.53
  5. Step 5: Solve for x
    x = 7,562,958,394.53/100,239.06
  6. Step 6: Final answer
    x = 75,449.22

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1.5x scale

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.