Finding the Fourth Proportional to 121,234.96, 167,289.53 and 69,549.38
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Solution
The fourth proportional to 121,234.96, 167,289.53 and 69,549.38 is: 95,969.70
Step by Step Solution
- Step 1: Write the proportion equation
121,234.96 : 167,289.53 = 69,549.38 : x - Step 2: Convert to fraction form
121,234.96/167,289.53 = 69,549.38/x - Step 3: Cross multiply
121,234.96x = 167,289.53 × 69,549.38 - Step 4: Simplify right side
121,234.96x = 11,634,883,091.99 - Step 5: Solve for x
x = 11,634,883,091.99/121,234.96 - Step 6: Final answer
x = 95,969.70
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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.