Finding the Fourth Proportional to 146,447.36, 202,140.32 and 85,207.96
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Solution
The fourth proportional to 146,447.36, 202,140.32 and 85,207.96 is: 117,611.98
Step by Step Solution
- Step 1: Write the proportion equation
146,447.36 : 202,140.32 = 85,207.96 : x - Step 2: Convert to fraction form
146,447.36/202,140.32 = 85,207.96/x - Step 3: Cross multiply
146,447.36x = 202,140.32 × 85,207.96 - Step 4: Simplify right side
146,447.36x = 17,223,964,300.95 - Step 5: Solve for x
x = 17,223,964,300.95/146,447.36 - Step 6: Final answer
x = 117,611.98
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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.