Finding the Fourth Proportional to 121,010.70, 181,170.45 and 117,554.70
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Solution
The fourth proportional to 121,010.70, 181,170.45 and 117,554.70 is: 175,996.32
Step by Step Solution
- Step 1: Write the proportion equation
121,010.70 : 181,170.45 = 117,554.70 : x - Step 2: Convert to fraction form
121,010.70/181,170.45 = 117,554.70/x - Step 3: Cross multiply
121,010.70x = 181,170.45 × 117,554.70 - Step 4: Simplify right side
121,010.70x = 21,297,437,898.62 - Step 5: Solve for x
x = 21,297,437,898.62/121,010.70 - Step 6: Final answer
x = 175,996.32
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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.