Home / 130,364.41-195,491.53-55,481.53

Finding the Fourth Proportional to 130,364.41, 195,491.53 and 55,481.53

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Solution

The fourth proportional to 130,364.41, 195,491.53 and 55,481.53 is: 83,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,364.41 : 195,491.53 = 55,481.53 : x
  2. Step 2: Convert to fraction form
    130,364.41/195,491.53 = 55,481.53/x
  3. Step 3: Cross multiply
    130,364.41x = 195,491.53 × 55,481.53
  4. Step 4: Simplify right side
    130,364.41x = 10,846,169,186.44
  5. Step 5: Solve for x
    x = 10,846,169,186.44/130,364.41
  6. Step 6: Final answer
    x = 83,198.85

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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.