Home / 130,420.44-179,986.94-73,056.41

Finding the Fourth Proportional to 130,420.44, 179,986.94 and 73,056.41

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Solution

The fourth proportional to 130,420.44, 179,986.94 and 73,056.41 is: 100,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,420.44 : 179,986.94 = 73,056.41 : x
  2. Step 2: Convert to fraction form
    130,420.44/179,986.94 = 73,056.41/x
  3. Step 3: Cross multiply
    130,420.44x = 179,986.94 × 73,056.41
  4. Step 4: Simplify right side
    130,420.44x = 13,149,198,418.07
  5. Step 5: Solve for x
    x = 13,149,198,418.07/130,420.44
  6. Step 6: Final answer
    x = 100,821.61

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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.