Finding the Fourth Proportional to 126,472.58, 174,204.84 and 88,163.63
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Solution
The fourth proportional to 126,472.58, 174,204.84 and 88,163.63 is: 121,437.64
Step by Step Solution
- Step 1: Write the proportion equation
126,472.58 : 174,204.84 = 88,163.63 : x - Step 2: Convert to fraction form
126,472.58/174,204.84 = 88,163.63/x - Step 3: Cross multiply
126,472.58x = 174,204.84 × 88,163.63 - Step 4: Simplify right side
126,472.58x = 15,358,531,057.97 - Step 5: Solve for x
x = 15,358,531,057.97/126,472.58 - Step 6: Final answer
x = 121,437.64
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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.