Finding the Fourth Proportional to 126,714.51, 174,847.21 and 76,960.92
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Solution
The fourth proportional to 126,714.51, 174,847.21 and 76,960.92 is: 106,194.65
Step by Step Solution
- Step 1: Write the proportion equation
126,714.51 : 174,847.21 = 76,960.92 : x - Step 2: Convert to fraction form
126,714.51/174,847.21 = 76,960.92/x - Step 3: Cross multiply
126,714.51x = 174,847.21 × 76,960.92 - Step 4: Simplify right side
126,714.51x = 13,456,403,085.31 - Step 5: Solve for x
x = 13,456,403,085.31/126,714.51 - Step 6: Final answer
x = 106,194.65
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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.