Finding the Fourth Proportional to 109,633.97, 151,290.62 and 68,819.99
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Solution
The fourth proportional to 109,633.97, 151,290.62 and 68,819.99 is: 94,968.92
Step by Step Solution
- Step 1: Write the proportion equation
109,633.97 : 151,290.62 = 68,819.99 : x - Step 2: Convert to fraction form
109,633.97/151,290.62 = 68,819.99/x - Step 3: Cross multiply
109,633.97x = 151,290.62 × 68,819.99 - Step 4: Simplify right side
109,633.97x = 10,411,819,467.11 - Step 5: Solve for x
x = 10,411,819,467.11/109,633.97 - Step 6: Final answer
x = 94,968.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.