Home / 227,001.55-313,234.71-130,200.39

Finding the Fourth Proportional to 227,001.55, 313,234.71 and 130,200.39

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Solution

The fourth proportional to 227,001.55, 313,234.71 and 130,200.39 is: 179,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,001.55 : 313,234.71 = 130,200.39 : x
  2. Step 2: Convert to fraction form
    227,001.55/313,234.71 = 130,200.39/x
  3. Step 3: Cross multiply
    227,001.55x = 313,234.71 × 130,200.39
  4. Step 4: Simplify right side
    227,001.55x = 40,783,280,620.45
  5. Step 5: Solve for x
    x = 40,783,280,620.45/227,001.55
  6. Step 6: Final answer
    x = 179,660.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.