Finding the Fourth Proportional to 126,593.82, 174,560.36 and 81,254.68
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Solution
The fourth proportional to 126,593.82, 174,560.36 and 81,254.68 is: 112,042.17
Step by Step Solution
- Step 1: Write the proportion equation
126,593.82 : 174,560.36 = 81,254.68 : x - Step 2: Convert to fraction form
126,593.82/174,560.36 = 81,254.68/x - Step 3: Cross multiply
126,593.82x = 174,560.36 × 81,254.68 - Step 4: Simplify right side
126,593.82x = 14,183,845,959.22 - Step 5: Solve for x
x = 14,183,845,959.22/126,593.82 - Step 6: Final answer
x = 112,042.17
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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.