Home / 98,183.82-147,138.41-53,107.83

Finding the Fourth Proportional to 98,183.82, 147,138.41 and 53,107.83

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Solution

The fourth proportional to 98,183.82, 147,138.41 and 53,107.83 is: 79,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,183.82 : 147,138.41 = 53,107.83 : x
  2. Step 2: Convert to fraction form
    98,183.82/147,138.41 = 53,107.83/x
  3. Step 3: Cross multiply
    98,183.82x = 147,138.41 × 53,107.83
  4. Step 4: Simplify right side
    98,183.82x = 7,814,201,399.21
  5. Step 5: Solve for x
    x = 7,814,201,399.21/98,183.82
  6. Step 6: Final answer
    x = 79,587.47

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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.