Home / 146,108.25-201,629.39-79,040.25

Finding the Fourth Proportional to 146,108.25, 201,629.39 and 79,040.25

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Solution

The fourth proportional to 146,108.25, 201,629.39 and 79,040.25 is: 109,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,108.25 : 201,629.39 = 79,040.25 : x
  2. Step 2: Convert to fraction form
    146,108.25/201,629.39 = 79,040.25/x
  3. Step 3: Cross multiply
    146,108.25x = 201,629.39 × 79,040.25
  4. Step 4: Simplify right side
    146,108.25x = 15,936,836,997.75
  5. Step 5: Solve for x
    x = 15,936,836,997.75/146,108.25
  6. Step 6: Final answer
    x = 109,075.55

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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.