Finding the Fourth Proportional to 115,984.18, 160,072.98 and 68,241.94
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Solution
The fourth proportional to 115,984.18, 160,072.98 and 68,241.94 is: 94,182.59
Step by Step Solution
- Step 1: Write the proportion equation
115,984.18 : 160,072.98 = 68,241.94 : x - Step 2: Convert to fraction form
115,984.18/160,072.98 = 68,241.94/x - Step 3: Cross multiply
115,984.18x = 160,072.98 × 68,241.94 - Step 4: Simplify right side
115,984.18x = 10,923,690,696.78 - Step 5: Solve for x
x = 10,923,690,696.78/115,984.18 - Step 6: Final answer
x = 94,182.59
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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.