Home / 100,481.13-150,832.40-58,408.65

Finding the Fourth Proportional to 100,481.13, 150,832.40 and 58,408.65

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Solution

The fourth proportional to 100,481.13, 150,832.40 and 58,408.65 is: 87,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,481.13 : 150,832.40 = 58,408.65 : x
  2. Step 2: Convert to fraction form
    100,481.13/150,832.40 = 58,408.65/x
  3. Step 3: Cross multiply
    100,481.13x = 150,832.40 × 58,408.65
  4. Step 4: Simplify right side
    100,481.13x = 8,809,916,568.22
  5. Step 5: Solve for x
    x = 8,809,916,568.22/100,481.13
  6. Step 6: Final answer
    x = 87,677.32

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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.