Finding the Fourth Proportional to 135,582.36, 187,178.17 and 92,626.44
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Solution
The fourth proportional to 135,582.36, 187,178.17 and 92,626.44 is: 127,875.39
Step by Step Solution
- Step 1: Write the proportion equation
135,582.36 : 187,178.17 = 92,626.44 : x - Step 2: Convert to fraction form
135,582.36/187,178.17 = 92,626.44/x - Step 3: Cross multiply
135,582.36x = 187,178.17 × 92,626.44 - Step 4: Simplify right side
135,582.36x = 17,337,647,301.25 - Step 5: Solve for x
x = 17,337,647,301.25/135,582.36 - Step 6: Final answer
x = 127,875.39
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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.