Home / 100,183.40-150,036.58-57,974.56

Finding the Fourth Proportional to 100,183.40, 150,036.58 and 57,974.56

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Solution

The fourth proportional to 100,183.40, 150,036.58 and 57,974.56 is: 86,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,183.40 : 150,036.58 = 57,974.56 : x
  2. Step 2: Convert to fraction form
    100,183.40/150,036.58 = 57,974.56/x
  3. Step 3: Cross multiply
    100,183.40x = 150,036.58 × 57,974.56
  4. Step 4: Simplify right side
    100,183.40x = 8,698,304,709.40
  5. Step 5: Solve for x
    x = 8,698,304,709.40/100,183.40
  6. Step 6: Final answer
    x = 86,823.81

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1.5x scale

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.