Home / 199,942.83-300,035.14-87,629.45

Finding the Fourth Proportional to 199,942.83, 300,035.14 and 87,629.45

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Solution

The fourth proportional to 199,942.83, 300,035.14 and 87,629.45 is: 131,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,942.83 : 300,035.14 = 87,629.45 : x
  2. Step 2: Convert to fraction form
    199,942.83/300,035.14 = 87,629.45/x
  3. Step 3: Cross multiply
    199,942.83x = 300,035.14 × 87,629.45
  4. Step 4: Simplify right side
    199,942.83x = 26,291,912,579.62
  5. Step 5: Solve for x
    x = 26,291,912,579.62/199,942.83
  6. Step 6: Final answer
    x = 131,497.15

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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.