Finding the Fourth Proportional to 107,408.92, 148,265.68 and 71,585.88
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Solution
The fourth proportional to 107,408.92, 148,265.68 and 71,585.88 is: 98,816.09
Step by Step Solution
- Step 1: Write the proportion equation
107,408.92 : 148,265.68 = 71,585.88 : x - Step 2: Convert to fraction form
107,408.92/148,265.68 = 71,585.88/x - Step 3: Cross multiply
107,408.92x = 148,265.68 × 71,585.88 - Step 4: Simplify right side
107,408.92x = 10,613,729,176.60 - Step 5: Solve for x
x = 10,613,729,176.60/107,408.92 - Step 6: Final answer
x = 98,816.09
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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.