Finding the Fourth Proportional to 119,554.36, 164,981.74 and 68,575.64
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Solution
The fourth proportional to 119,554.36, 164,981.74 and 68,575.64 is: 94,632.50
Step by Step Solution
- Step 1: Write the proportion equation
119,554.36 : 164,981.74 = 68,575.64 : x - Step 2: Convert to fraction form
119,554.36/164,981.74 = 68,575.64/x - Step 3: Cross multiply
119,554.36x = 164,981.74 × 68,575.64 - Step 4: Simplify right side
119,554.36x = 11,313,728,408.81 - Step 5: Solve for x
x = 11,313,728,408.81/119,554.36 - Step 6: Final answer
x = 94,632.50
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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.