Finding the Fourth Proportional to 146,130.62, 201,625.40 and 100,794.11
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Solution
The fourth proportional to 146,130.62, 201,625.40 and 100,794.11 is: 139,071.82
Step by Step Solution
- Step 1: Write the proportion equation
146,130.62 : 201,625.40 = 100,794.11 : x - Step 2: Convert to fraction form
146,130.62/201,625.40 = 100,794.11/x - Step 3: Cross multiply
146,130.62x = 201,625.40 × 100,794.11 - Step 4: Simplify right side
146,130.62x = 20,322,651,234.30 - Step 5: Solve for x
x = 20,322,651,234.30/146,130.62 - Step 6: Final answer
x = 139,071.82
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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.