Finding the Fourth Proportional to 122,466.84, 169,004.08 and 68,751.96
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Solution
The fourth proportional to 122,466.84, 169,004.08 and 68,751.96 is: 94,877.62
Step by Step Solution
- Step 1: Write the proportion equation
122,466.84 : 169,004.08 = 68,751.96 : x - Step 2: Convert to fraction form
122,466.84/169,004.08 = 68,751.96/x - Step 3: Cross multiply
122,466.84x = 169,004.08 × 68,751.96 - Step 4: Simplify right side
122,466.84x = 11,619,361,748.00 - Step 5: Solve for x
x = 11,619,361,748.00/122,466.84 - Step 6: Final answer
x = 94,877.62
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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.