Finding the Fourth Proportional to 125,504.50, 173,197.43 and 68,917.09
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Solution
The fourth proportional to 125,504.50, 173,197.43 and 68,917.09 is: 95,106.25
Step by Step Solution
- Step 1: Write the proportion equation
125,504.50 : 173,197.43 = 68,917.09 : x - Step 2: Convert to fraction form
125,504.50/173,197.43 = 68,917.09/x - Step 3: Cross multiply
125,504.50x = 173,197.43 × 68,917.09 - Step 4: Simplify right side
125,504.50x = 11,936,262,871.08 - Step 5: Solve for x
x = 11,936,262,871.08/125,504.50 - Step 6: Final answer
x = 95,106.25
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1.5x scale
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.