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Finding the Fourth Proportional to 181,819.34, 250,954.84 and 105,326.04

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Solution

The fourth proportional to 181,819.34, 250,954.84 and 105,326.04 is: 145,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,819.34 : 250,954.84 = 105,326.04 : x
  2. Step 2: Convert to fraction form
    181,819.34/250,954.84 = 105,326.04/x
  3. Step 3: Cross multiply
    181,819.34x = 250,954.84 × 105,326.04
  4. Step 4: Simplify right side
    181,819.34x = 26,432,079,516.03
  5. Step 5: Solve for x
    x = 26,432,079,516.03/181,819.34
  6. Step 6: Final answer
    x = 145,375.51

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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.