Finding the Fourth Proportional to 135,063.56, 202,619.10 and 51,951.08
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Solution
The fourth proportional to 135,063.56, 202,619.10 and 51,951.08 is: 77,935.76
Step by Step Solution
- Step 1: Write the proportion equation
135,063.56 : 202,619.10 = 51,951.08 : x - Step 2: Convert to fraction form
135,063.56/202,619.10 = 51,951.08/x - Step 3: Cross multiply
135,063.56x = 202,619.10 × 51,951.08 - Step 4: Simplify right side
135,063.56x = 10,526,281,073.63 - Step 5: Solve for x
x = 10,526,281,073.63/135,063.56 - Step 6: Final answer
x = 77,935.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.