Finding the Fourth Proportional to 146,740.95, 202,505.75 and 82,214.95
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Solution
The fourth proportional to 146,740.95, 202,505.75 and 82,214.95 is: 113,458.45
Step by Step Solution
- Step 1: Write the proportion equation
146,740.95 : 202,505.75 = 82,214.95 : x - Step 2: Convert to fraction form
146,740.95/202,505.75 = 82,214.95/x - Step 3: Cross multiply
146,740.95x = 202,505.75 × 82,214.95 - Step 4: Simplify right side
146,740.95x = 16,649,000,110.96 - Step 5: Solve for x
x = 16,649,000,110.96/146,740.95 - Step 6: Final answer
x = 113,458.45
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1.5x scale
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.