Finding the Fourth Proportional to 126,234.07, 174,218.41 and 72,518.95
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Solution
The fourth proportional to 126,234.07, 174,218.41 and 72,518.95 is: 100,084.99
Step by Step Solution
- Step 1: Write the proportion equation
126,234.07 : 174,218.41 = 72,518.95 : x - Step 2: Convert to fraction form
126,234.07/174,218.41 = 72,518.95/x - Step 3: Cross multiply
126,234.07x = 174,218.41 × 72,518.95 - Step 4: Simplify right side
126,234.07x = 12,634,136,163.87 - Step 5: Solve for x
x = 12,634,136,163.87/126,234.07 - Step 6: Final answer
x = 100,084.99
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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.