Finding the Fourth Proportional to 127,676.06, 176,194.19 and 71,088.65
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Solution
The fourth proportional to 127,676.06, 176,194.19 and 71,088.65 is: 98,103.02
Step by Step Solution
- Step 1: Write the proportion equation
127,676.06 : 176,194.19 = 71,088.65 : x - Step 2: Convert to fraction form
127,676.06/176,194.19 = 71,088.65/x - Step 3: Cross multiply
127,676.06x = 176,194.19 × 71,088.65 - Step 4: Simplify right side
127,676.06x = 12,525,407,723.15 - Step 5: Solve for x
x = 12,525,407,723.15/127,676.06 - Step 6: Final answer
x = 98,103.02
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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.