Finding the Fourth Proportional to 135,020.20, 202,530.30 and 95,621.80
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Solution
The fourth proportional to 135,020.20, 202,530.30 and 95,621.80 is: 143,432.70
Step by Step Solution
- Step 1: Write the proportion equation
135,020.20 : 202,530.30 = 95,621.80 : x - Step 2: Convert to fraction form
135,020.20/202,530.30 = 95,621.80/x - Step 3: Cross multiply
135,020.20x = 202,530.30 × 95,621.80 - Step 4: Simplify right side
135,020.20x = 19,366,311,840.54 - Step 5: Solve for x
x = 19,366,311,840.54/135,020.20 - Step 6: Final answer
x = 143,432.70
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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.