Home / 150,660.57-207,910.98-82,678.68

Finding the Fourth Proportional to 150,660.57, 207,910.98 and 82,678.68

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Solution

The fourth proportional to 150,660.57, 207,910.98 and 82,678.68 is: 114,096.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,660.57 : 207,910.98 = 82,678.68 : x
  2. Step 2: Convert to fraction form
    150,660.57/207,910.98 = 82,678.68/x
  3. Step 3: Cross multiply
    150,660.57x = 207,910.98 × 82,678.68
  4. Step 4: Simplify right side
    150,660.57x = 17,189,805,383.91
  5. Step 5: Solve for x
    x = 17,189,805,383.91/150,660.57
  6. Step 6: Final answer
    x = 114,096.25

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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.