Finding the Fourth Proportional to 126,253.44, 174,230.34 and 69,664.80
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Solution
The fourth proportional to 126,253.44, 174,230.34 and 69,664.80 is: 96,137.75
Step by Step Solution
- Step 1: Write the proportion equation
126,253.44 : 174,230.34 = 69,664.80 : x - Step 2: Convert to fraction form
126,253.44/174,230.34 = 69,664.80/x - Step 3: Cross multiply
126,253.44x = 174,230.34 × 69,664.80 - Step 4: Simplify right side
126,253.44x = 12,137,721,790.03 - Step 5: Solve for x
x = 12,137,721,790.03/126,253.44 - Step 6: Final answer
x = 96,137.75
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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.