Finding the Fourth Proportional to 126,236.88, 174,207.96 and 69,652.08
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Solution
The fourth proportional to 126,236.88, 174,207.96 and 69,652.08 is: 96,120.46
Step by Step Solution
- Step 1: Write the proportion equation
126,236.88 : 174,207.96 = 69,652.08 : x - Step 2: Convert to fraction form
126,236.88/174,207.96 = 69,652.08/x - Step 3: Cross multiply
126,236.88x = 174,207.96 × 69,652.08 - Step 4: Simplify right side
126,236.88x = 12,133,946,766.56 - Step 5: Solve for x
x = 12,133,946,766.56/126,236.88 - Step 6: Final answer
x = 96,120.46
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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.