Finding the Fourth Proportional to 135,180.09, 186,549.49 and 73,926.55
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Solution
The fourth proportional to 135,180.09, 186,549.49 and 73,926.55 is: 102,019.17
Step by Step Solution
- Step 1: Write the proportion equation
135,180.09 : 186,549.49 = 73,926.55 : x - Step 2: Convert to fraction form
135,180.09/186,549.49 = 73,926.55/x - Step 3: Cross multiply
135,180.09x = 186,549.49 × 73,926.55 - Step 4: Simplify right side
135,180.09x = 13,790,960,199.96 - Step 5: Solve for x
x = 13,790,960,199.96/135,180.09 - Step 6: Final answer
x = 102,019.17
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1.5x scale
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.