Finding the Fourth Proportional to 135,976.52, 202,966.63 and 125,956.62
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Solution
The fourth proportional to 135,976.52, 202,966.63 and 125,956.62 is: 188,010.33
Step by Step Solution
- Step 1: Write the proportion equation
135,976.52 : 202,966.63 = 125,956.62 : x - Step 2: Convert to fraction form
135,976.52/202,966.63 = 125,956.62/x - Step 3: Cross multiply
135,976.52x = 202,966.63 × 125,956.62 - Step 4: Simplify right side
135,976.52x = 25,564,990,372.70 - Step 5: Solve for x
x = 25,564,990,372.70/135,976.52 - Step 6: Final answer
x = 188,010.33
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.