Finding the Fourth Proportional to 125,728.48, 173,504.35 and 68,367.83
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Solution
The fourth proportional to 125,728.48, 173,504.35 and 68,367.83 is: 94,347.09
Step by Step Solution
- Step 1: Write the proportion equation
125,728.48 : 173,504.35 = 68,367.83 : x - Step 2: Convert to fraction form
125,728.48/173,504.35 = 68,367.83/x - Step 3: Cross multiply
125,728.48x = 173,504.35 × 68,367.83 - Step 4: Simplify right side
125,728.48x = 11,862,115,563.22 - Step 5: Solve for x
x = 11,862,115,563.22/125,728.48 - Step 6: Final answer
x = 94,347.09
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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.