Finding the Fourth Proportional to 121,166.49, 181,786.80 and 62,043.99
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Solution
The fourth proportional to 121,166.49, 181,786.80 and 62,043.99 is: 93,084.96
Step by Step Solution
- Step 1: Write the proportion equation
121,166.49 : 181,786.80 = 62,043.99 : x - Step 2: Convert to fraction form
121,166.49/181,786.80 = 62,043.99/x - Step 3: Cross multiply
121,166.49x = 181,786.80 × 62,043.99 - Step 4: Simplify right side
121,166.49x = 11,278,778,401.33 - Step 5: Solve for x
x = 11,278,778,401.33/121,166.49 - Step 6: Final answer
x = 93,084.96
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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.