Finding the Fourth Proportional to 120,121.84, 180,195.05 and 41,225.82
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Solution
The fourth proportional to 120,121.84, 180,195.05 and 41,225.82 is: 61,842.95
Step by Step Solution
- Step 1: Write the proportion equation
120,121.84 : 180,195.05 = 41,225.82 : x - Step 2: Convert to fraction form
120,121.84/180,195.05 = 41,225.82/x - Step 3: Cross multiply
120,121.84x = 180,195.05 × 41,225.82 - Step 4: Simplify right side
120,121.84x = 7,428,688,696.19 - Step 5: Solve for x
x = 7,428,688,696.19/120,121.84 - Step 6: Final answer
x = 61,842.95
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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.