Finding the Fourth Proportional to 109,540.68, 164,212.56 and 39,370.92
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Solution
The fourth proportional to 109,540.68, 164,212.56 and 39,370.92 is: 59,020.99
Step by Step Solution
- Step 1: Write the proportion equation
109,540.68 : 164,212.56 = 39,370.92 : x - Step 2: Convert to fraction form
109,540.68/164,212.56 = 39,370.92/x - Step 3: Cross multiply
109,540.68x = 164,212.56 × 39,370.92 - Step 4: Simplify right side
109,540.68x = 6,465,199,562.76 - Step 5: Solve for x
x = 6,465,199,562.76/109,540.68 - Step 6: Final answer
x = 59,020.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.