Finding the Fourth Proportional to 127,612.93, 176,102.73 and 70,251.78
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Solution
The fourth proportional to 127,612.93, 176,102.73 and 70,251.78 is: 96,945.75
Step by Step Solution
- Step 1: Write the proportion equation
127,612.93 : 176,102.73 = 70,251.78 : x - Step 2: Convert to fraction form
127,612.93/176,102.73 = 70,251.78/x - Step 3: Cross multiply
127,612.93x = 176,102.73 × 70,251.78 - Step 4: Simplify right side
127,612.93x = 12,371,530,861.25 - Step 5: Solve for x
x = 12,371,530,861.25/127,612.93 - Step 6: Final answer
x = 96,945.75
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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.