Finding the Fourth Proportional to 146,197.62, 201,753.32 and 79,129.62
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Solution
The fourth proportional to 146,197.62, 201,753.32 and 79,129.62 is: 109,199.20
Step by Step Solution
- Step 1: Write the proportion equation
146,197.62 : 201,753.32 = 79,129.62 : x - Step 2: Convert to fraction form
146,197.62/201,753.32 = 79,129.62/x - Step 3: Cross multiply
146,197.62x = 201,753.32 × 79,129.62 - Step 4: Simplify right side
146,197.62x = 15,964,662,916.09 - Step 5: Solve for x
x = 15,964,662,916.09/146,197.62 - Step 6: Final answer
x = 109,199.20
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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.