Finding the Fourth Proportional to 127,753.40, 176,260.66 and 74,028.03
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Solution
The fourth proportional to 127,753.40, 176,260.66 and 74,028.03 is: 102,136.07
Step by Step Solution
- Step 1: Write the proportion equation
127,753.40 : 176,260.66 = 74,028.03 : x - Step 2: Convert to fraction form
127,753.40/176,260.66 = 74,028.03/x - Step 3: Cross multiply
127,753.40x = 176,260.66 × 74,028.03 - Step 4: Simplify right side
127,753.40x = 13,048,229,426.30 - Step 5: Solve for x
x = 13,048,229,426.30/127,753.40 - Step 6: Final answer
x = 102,136.07
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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.