Home / 150,018.14-207,021.92-82,034.35

Finding the Fourth Proportional to 150,018.14, 207,021.92 and 82,034.35

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Solution

The fourth proportional to 150,018.14, 207,021.92 and 82,034.35 is: 113,205.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,018.14 : 207,021.92 = 82,034.35 : x
  2. Step 2: Convert to fraction form
    150,018.14/207,021.92 = 82,034.35/x
  3. Step 3: Cross multiply
    150,018.14x = 207,021.92 × 82,034.35
  4. Step 4: Simplify right side
    150,018.14x = 16,982,907,715.23
  5. Step 5: Solve for x
    x = 16,982,907,715.23/150,018.14
  6. Step 6: Final answer
    x = 113,205.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.