Home / 135,623.82-203,407.92-51,354.92

Finding the Fourth Proportional to 135,623.82, 203,407.92 and 51,354.92

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Solution

The fourth proportional to 135,623.82, 203,407.92 and 51,354.92 is: 77,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,623.82 : 203,407.92 = 51,354.92 : x
  2. Step 2: Convert to fraction form
    135,623.82/203,407.92 = 51,354.92/x
  3. Step 3: Cross multiply
    135,623.82x = 203,407.92 × 51,354.92
  4. Step 4: Simplify right side
    135,623.82x = 10,445,997,458.97
  5. Step 5: Solve for x
    x = 10,445,997,458.97/135,623.82
  6. Step 6: Final answer
    x = 77,021.85

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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.