Home / 131,014.80-196,608.60-47,908.80

Finding the Fourth Proportional to 131,014.80, 196,608.60 and 47,908.80

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Solution

The fourth proportional to 131,014.80, 196,608.60 and 47,908.80 is: 71,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,014.80 : 196,608.60 = 47,908.80 : x
  2. Step 2: Convert to fraction form
    131,014.80/196,608.60 = 47,908.80/x
  3. Step 3: Cross multiply
    131,014.80x = 196,608.60 × 47,908.80
  4. Step 4: Simplify right side
    131,014.80x = 9,419,282,095.68
  5. Step 5: Solve for x
    x = 9,419,282,095.68/131,014.80
  6. Step 6: Final answer
    x = 71,894.79

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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.