Finding the Fourth Proportional to 112,748.92, 155,239.44 and 95,717.88
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Solution
The fourth proportional to 112,748.92, 155,239.44 and 95,717.88 is: 131,790.09
Step by Step Solution
- Step 1: Write the proportion equation
112,748.92 : 155,239.44 = 95,717.88 : x - Step 2: Convert to fraction form
112,748.92/155,239.44 = 95,717.88/x - Step 3: Cross multiply
112,748.92x = 155,239.44 × 95,717.88 - Step 4: Simplify right side
112,748.92x = 14,859,190,089.19 - Step 5: Solve for x
x = 14,859,190,089.19/112,748.92 - Step 6: Final answer
x = 131,790.09
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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.