Finding the Fourth Proportional to 127,723.03, 176,257.68 and 74,039.14
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Solution
The fourth proportional to 127,723.03, 176,257.68 and 74,039.14 is: 102,173.95
Step by Step Solution
- Step 1: Write the proportion equation
127,723.03 : 176,257.68 = 74,039.14 : x - Step 2: Convert to fraction form
127,723.03/176,257.68 = 74,039.14/x - Step 3: Cross multiply
127,723.03x = 176,257.68 × 74,039.14 - Step 4: Simplify right side
127,723.03x = 13,049,967,045.60 - Step 5: Solve for x
x = 13,049,967,045.60/127,723.03 - Step 6: Final answer
x = 102,173.95
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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.