Finding the Fourth Proportional to 121,202.30, 181,803.45 and 110,704.70
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Solution
The fourth proportional to 121,202.30, 181,803.45 and 110,704.70 is: 166,057.05
Step by Step Solution
- Step 1: Write the proportion equation
121,202.30 : 181,803.45 = 110,704.70 : x - Step 2: Convert to fraction form
121,202.30/181,803.45 = 110,704.70/x - Step 3: Cross multiply
121,202.30x = 181,803.45 × 110,704.70 - Step 4: Simplify right side
121,202.30x = 20,126,496,391.22 - Step 5: Solve for x
x = 20,126,496,391.22/121,202.30 - Step 6: Final answer
x = 166,057.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.