Finding the Fourth Proportional to 121,249.43, 167,307.07 and 68,859.62
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Solution
The fourth proportional to 121,249.43, 167,307.07 and 68,859.62 is: 95,016.54
Step by Step Solution
- Step 1: Write the proportion equation
121,249.43 : 167,307.07 = 68,859.62 : x - Step 2: Convert to fraction form
121,249.43/167,307.07 = 68,859.62/x - Step 3: Cross multiply
121,249.43x = 167,307.07 × 68,859.62 - Step 4: Simplify right side
121,249.43x = 11,520,701,263.51 - Step 5: Solve for x
x = 11,520,701,263.51/121,249.43 - Step 6: Final answer
x = 95,016.54
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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.