Home / 190,704.48-263,220.56-130,299.54

Finding the Fourth Proportional to 190,704.48, 263,220.56 and 130,299.54

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Solution

The fourth proportional to 190,704.48, 263,220.56 and 130,299.54 is: 179,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,704.48 : 263,220.56 = 130,299.54 : x
  2. Step 2: Convert to fraction form
    190,704.48/263,220.56 = 130,299.54/x
  3. Step 3: Cross multiply
    190,704.48x = 263,220.56 × 130,299.54
  4. Step 4: Simplify right side
    190,704.48x = 34,297,517,886.54
  5. Step 5: Solve for x
    x = 34,297,517,886.54/190,704.48
  6. Step 6: Final answer
    x = 179,846.42

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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.