Finding the Fourth Proportional to 127,730.92, 176,268.60 and 74,047.12
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Solution
The fourth proportional to 127,730.92, 176,268.60 and 74,047.12 is: 102,184.99
Step by Step Solution
- Step 1: Write the proportion equation
127,730.92 : 176,268.60 = 74,047.12 : x - Step 2: Convert to fraction form
127,730.92/176,268.60 = 74,047.12/x - Step 3: Cross multiply
127,730.92x = 176,268.60 × 74,047.12 - Step 4: Simplify right side
127,730.92x = 13,052,182,176.43 - Step 5: Solve for x
x = 13,052,182,176.43/127,730.92 - Step 6: Final answer
x = 102,184.99
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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.