Home / 103,882.32-155,961.72-54,668.88

Finding the Fourth Proportional to 103,882.32, 155,961.72 and 54,668.88

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Solution

The fourth proportional to 103,882.32, 155,961.72 and 54,668.88 is: 82,076.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,882.32 : 155,961.72 = 54,668.88 : x
  2. Step 2: Convert to fraction form
    103,882.32/155,961.72 = 54,668.88/x
  3. Step 3: Cross multiply
    103,882.32x = 155,961.72 × 54,668.88
  4. Step 4: Simplify right side
    103,882.32x = 8,526,252,555.27
  5. Step 5: Solve for x
    x = 8,526,252,555.27/103,882.32
  6. Step 6: Final answer
    x = 82,076.07

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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.