Home / 107,984.26-161,976.40-55,360.18

Finding the Fourth Proportional to 107,984.26, 161,976.40 and 55,360.18

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Solution

The fourth proportional to 107,984.26, 161,976.40 and 55,360.18 is: 83,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,984.26 : 161,976.40 = 55,360.18 : x
  2. Step 2: Convert to fraction form
    107,984.26/161,976.40 = 55,360.18/x
  3. Step 3: Cross multiply
    107,984.26x = 161,976.40 × 55,360.18
  4. Step 4: Simplify right side
    107,984.26x = 8,967,042,659.75
  5. Step 5: Solve for x
    x = 8,967,042,659.75/107,984.26
  6. Step 6: Final answer
    x = 83,040.28

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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.