Finding the Fourth Proportional to 135,192.58, 186,549.35 and 74,754.97
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Solution
The fourth proportional to 135,192.58, 186,549.35 and 74,754.97 is: 103,152.78
Step by Step Solution
- Step 1: Write the proportion equation
135,192.58 : 186,549.35 = 74,754.97 : x - Step 2: Convert to fraction form
135,192.58/186,549.35 = 74,754.97/x - Step 3: Cross multiply
135,192.58x = 186,549.35 × 74,754.97 - Step 4: Simplify right side
135,192.58x = 13,945,490,222.62 - Step 5: Solve for x
x = 13,945,490,222.62/135,192.58 - Step 6: Final answer
x = 103,152.78
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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.