Finding the Fourth Proportional to 127,959.54, 176,526.84 and 74,213.28
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Solution
The fourth proportional to 127,959.54, 176,526.84 and 74,213.28 is: 102,381.08
Step by Step Solution
- Step 1: Write the proportion equation
127,959.54 : 176,526.84 = 74,213.28 : x - Step 2: Convert to fraction form
127,959.54/176,526.84 = 74,213.28/x - Step 3: Cross multiply
127,959.54x = 176,526.84 × 74,213.28 - Step 4: Simplify right side
127,959.54x = 13,100,635,804.44 - Step 5: Solve for x
x = 13,100,635,804.44/127,959.54 - Step 6: Final answer
x = 102,381.08
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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.