Home / 254,021.44-381,042.69-104,156.05

Finding the Fourth Proportional to 254,021.44, 381,042.69 and 104,156.05

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Solution

The fourth proportional to 254,021.44, 381,042.69 and 104,156.05 is: 156,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,021.44 : 381,042.69 = 104,156.05 : x
  2. Step 2: Convert to fraction form
    254,021.44/381,042.69 = 104,156.05/x
  3. Step 3: Cross multiply
    254,021.44x = 381,042.69 × 104,156.05
  4. Step 4: Simplify right side
    254,021.44x = 39,687,901,471.77
  5. Step 5: Solve for x
    x = 39,687,901,471.77/254,021.44
  6. Step 6: Final answer
    x = 156,238.39

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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.