Finding the Fourth Proportional to 127,286.41, 175,635.73 and 73,561.06
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Solution
The fourth proportional to 127,286.41, 175,635.73 and 73,561.06 is: 101,502.98
Step by Step Solution
- Step 1: Write the proportion equation
127,286.41 : 175,635.73 = 73,561.06 : x - Step 2: Convert to fraction form
127,286.41/175,635.73 = 73,561.06/x - Step 3: Cross multiply
127,286.41x = 175,635.73 × 73,561.06 - Step 4: Simplify right side
127,286.41x = 12,919,950,125.54 - Step 5: Solve for x
x = 12,919,950,125.54/127,286.41 - Step 6: Final answer
x = 101,502.98
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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.