Finding the Fourth Proportional to 126,134.68, 174,062.26 and 69,546.12
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Solution
The fourth proportional to 126,134.68, 174,062.26 and 69,546.12 is: 95,971.66
Step by Step Solution
- Step 1: Write the proportion equation
126,134.68 : 174,062.26 = 69,546.12 : x - Step 2: Convert to fraction form
126,134.68/174,062.26 = 69,546.12/x - Step 3: Cross multiply
126,134.68x = 174,062.26 × 69,546.12 - Step 4: Simplify right side
126,134.68x = 12,105,354,821.43 - Step 5: Solve for x
x = 12,105,354,821.43/126,134.68 - Step 6: Final answer
x = 95,971.66
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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.