Home / 217,923.03-300,758.19-131,929.41

Finding the Fourth Proportional to 217,923.03, 300,758.19 and 131,929.41

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Solution

The fourth proportional to 217,923.03, 300,758.19 and 131,929.41 is: 182,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,923.03 : 300,758.19 = 131,929.41 : x
  2. Step 2: Convert to fraction form
    217,923.03/300,758.19 = 131,929.41/x
  3. Step 3: Cross multiply
    217,923.03x = 300,758.19 × 131,929.41
  4. Step 4: Simplify right side
    217,923.03x = 39,678,850,559.37
  5. Step 5: Solve for x
    x = 39,678,850,559.37/217,923.03
  6. Step 6: Final answer
    x = 182,077.36

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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.