Finding the Fourth Proportional to 122,191.26, 168,625.98 and 68,488.26
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Solution
The fourth proportional to 122,191.26, 168,625.98 and 68,488.26 is: 94,514.94
Step by Step Solution
- Step 1: Write the proportion equation
122,191.26 : 168,625.98 = 68,488.26 : x - Step 2: Convert to fraction form
122,191.26/168,625.98 = 68,488.26/x - Step 3: Cross multiply
122,191.26x = 168,625.98 × 68,488.26 - Step 4: Simplify right side
122,191.26x = 11,548,899,960.99 - Step 5: Solve for x
x = 11,548,899,960.99/122,191.26 - Step 6: Final answer
x = 94,514.94
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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.