Home / 131,734.38-197,579.10-47,477.78

Finding the Fourth Proportional to 131,734.38, 197,579.10 and 47,477.78

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Solution

The fourth proportional to 131,734.38, 197,579.10 and 47,477.78 is: 71,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,734.38 : 197,579.10 = 47,477.78 : x
  2. Step 2: Convert to fraction form
    131,734.38/197,579.10 = 47,477.78/x
  3. Step 3: Cross multiply
    131,734.38x = 197,579.10 × 47,477.78
  4. Step 4: Simplify right side
    131,734.38x = 9,380,616,054.50
  5. Step 5: Solve for x
    x = 9,380,616,054.50/131,734.38
  6. Step 6: Final answer
    x = 71,208.56

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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.