Finding the Fourth Proportional to 117,466.35, 162,103.68 and 63,751.40
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Solution
The fourth proportional to 117,466.35, 162,103.68 and 63,751.40 is: 87,976.99
Step by Step Solution
- Step 1: Write the proportion equation
117,466.35 : 162,103.68 = 63,751.40 : x - Step 2: Convert to fraction form
117,466.35/162,103.68 = 63,751.40/x - Step 3: Cross multiply
117,466.35x = 162,103.68 × 63,751.40 - Step 4: Simplify right side
117,466.35x = 10,334,335,734.63 - Step 5: Solve for x
x = 10,334,335,734.63/117,466.35 - Step 6: Final answer
x = 87,976.99
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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.