Home / 126,877.17-190,315.66-118,469.61

Finding the Fourth Proportional to 126,877.17, 190,315.66 and 118,469.61

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Solution

The fourth proportional to 126,877.17, 190,315.66 and 118,469.61 is: 177,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,877.17 : 190,315.66 = 118,469.61 : x
  2. Step 2: Convert to fraction form
    126,877.17/190,315.66 = 118,469.61/x
  3. Step 3: Cross multiply
    126,877.17x = 190,315.66 × 118,469.61
  4. Step 4: Simplify right side
    126,877.17x = 22,546,622,017.09
  5. Step 5: Solve for x
    x = 22,546,622,017.09/126,877.17
  6. Step 6: Final answer
    x = 177,704.33

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1.5x scale

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.