Finding the Fourth Proportional to 107,194.44, 147,996.09 and 68,971.76
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Solution
The fourth proportional to 107,194.44, 147,996.09 and 68,971.76 is: 95,224.63
Step by Step Solution
- Step 1: Write the proportion equation
107,194.44 : 147,996.09 = 68,971.76 : x - Step 2: Convert to fraction form
107,194.44/147,996.09 = 68,971.76/x - Step 3: Cross multiply
107,194.44x = 147,996.09 × 68,971.76 - Step 4: Simplify right side
107,194.44x = 10,207,550,800.42 - Step 5: Solve for x
x = 10,207,550,800.42/107,194.44 - Step 6: Final answer
x = 95,224.63
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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.