Finding the Fourth Proportional to 135,092.57, 202,673.87 and 71,860.62
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Solution
The fourth proportional to 135,092.57, 202,673.87 and 71,860.62 is: 107,809.55
Step by Step Solution
- Step 1: Write the proportion equation
135,092.57 : 202,673.87 = 71,860.62 : x - Step 2: Convert to fraction form
135,092.57/202,673.87 = 71,860.62/x - Step 3: Cross multiply
135,092.57x = 202,673.87 × 71,860.62 - Step 4: Simplify right side
135,092.57x = 14,564,269,596.70 - Step 5: Solve for x
x = 14,564,269,596.70/135,092.57 - Step 6: Final answer
x = 107,809.55
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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.