Home / 141,982.62-212,975.75-47,212.80

Finding the Fourth Proportional to 141,982.62, 212,975.75 and 47,212.80

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Solution

The fourth proportional to 141,982.62, 212,975.75 and 47,212.80 is: 70,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,982.62 : 212,975.75 = 47,212.80 : x
  2. Step 2: Convert to fraction form
    141,982.62/212,975.75 = 47,212.80/x
  3. Step 3: Cross multiply
    141,982.62x = 212,975.75 × 47,212.80
  4. Step 4: Simplify right side
    141,982.62x = 10,055,181,489.60
  5. Step 5: Solve for x
    x = 10,055,181,489.60/141,982.62
  6. Step 6: Final answer
    x = 70,819.81

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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.