Finding the Fourth Proportional to 117,054.42, 175,581.63 and 54,768.66
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Solution
The fourth proportional to 117,054.42, 175,581.63 and 54,768.66 is: 82,152.99
Step by Step Solution
- Step 1: Write the proportion equation
117,054.42 : 175,581.63 = 54,768.66 : x - Step 2: Convert to fraction form
117,054.42/175,581.63 = 54,768.66/x - Step 3: Cross multiply
117,054.42x = 175,581.63 × 54,768.66 - Step 4: Simplify right side
117,054.42x = 9,616,370,595.72 - Step 5: Solve for x
x = 9,616,370,595.72/117,054.42 - Step 6: Final answer
x = 82,152.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.