Finding the Fourth Proportional to 125,147.82, 172,701.68 and 68,558.79
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Solution
The fourth proportional to 125,147.82, 172,701.68 and 68,558.79 is: 94,609.86
Step by Step Solution
- Step 1: Write the proportion equation
125,147.82 : 172,701.68 = 68,558.79 : x - Step 2: Convert to fraction form
125,147.82/172,701.68 = 68,558.79/x - Step 3: Cross multiply
125,147.82x = 172,701.68 × 68,558.79 - Step 4: Simplify right side
125,147.82x = 11,840,217,868.97 - Step 5: Solve for x
x = 11,840,217,868.97/125,147.82 - Step 6: Final answer
x = 94,609.86
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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.