Finding the Fourth Proportional to 116,045.61, 160,112.97 and 68,289.99
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Solution
The fourth proportional to 116,045.61, 160,112.97 and 68,289.99 is: 94,222.55
Step by Step Solution
- Step 1: Write the proportion equation
116,045.61 : 160,112.97 = 68,289.99 : x - Step 2: Convert to fraction form
116,045.61/160,112.97 = 68,289.99/x - Step 3: Cross multiply
116,045.61x = 160,112.97 × 68,289.99 - Step 4: Simplify right side
116,045.61x = 10,934,113,120.17 - Step 5: Solve for x
x = 10,934,113,120.17/116,045.61 - Step 6: Final answer
x = 94,222.55
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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.