Home / 135,907.34-203,780.52-41,108.78

Finding the Fourth Proportional to 135,907.34, 203,780.52 and 41,108.78

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Solution

The fourth proportional to 135,907.34, 203,780.52 and 41,108.78 is: 61,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,907.34 : 203,780.52 = 41,108.78 : x
  2. Step 2: Convert to fraction form
    135,907.34/203,780.52 = 41,108.78/x
  3. Step 3: Cross multiply
    135,907.34x = 203,780.52 × 41,108.78
  4. Step 4: Simplify right side
    135,907.34x = 8,377,168,564.97
  5. Step 5: Solve for x
    x = 8,377,168,564.97/135,907.34
  6. Step 6: Final answer
    x = 61,638.82

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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.