Finding the Fourth Proportional to 135,734.27, 187,306.97 and 75,304.26
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Solution
The fourth proportional to 135,734.27, 187,306.97 and 75,304.26 is: 103,916.37
Step by Step Solution
- Step 1: Write the proportion equation
135,734.27 : 187,306.97 = 75,304.26 : x - Step 2: Convert to fraction form
135,734.27/187,306.97 = 75,304.26/x - Step 3: Cross multiply
135,734.27x = 187,306.97 × 75,304.26 - Step 4: Simplify right side
135,734.27x = 14,105,012,392.17 - Step 5: Solve for x
x = 14,105,012,392.17/135,734.27 - Step 6: Final answer
x = 103,916.37
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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.