Finding the Fourth Proportional to 126,193.58, 174,146.82 and 72,482.08
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Solution
The fourth proportional to 126,193.58, 174,146.82 and 72,482.08 is: 100,025.09
Step by Step Solution
- Step 1: Write the proportion equation
126,193.58 : 174,146.82 = 72,482.08 : x - Step 2: Convert to fraction form
126,193.58/174,146.82 = 72,482.08/x - Step 3: Cross multiply
126,193.58x = 174,146.82 × 72,482.08 - Step 4: Simplify right side
126,193.58x = 12,622,523,738.99 - Step 5: Solve for x
x = 12,622,523,738.99/126,193.58 - Step 6: Final answer
x = 100,025.09
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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.