Finding the Fourth Proportional to 146,125.21, 201,792.06 and 138,164.42
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Solution
The fourth proportional to 146,125.21, 201,792.06 and 138,164.42 is: 190,798.58
Step by Step Solution
- Step 1: Write the proportion equation
146,125.21 : 201,792.06 = 138,164.42 : x - Step 2: Convert to fraction form
146,125.21/201,792.06 = 138,164.42/x - Step 3: Cross multiply
146,125.21x = 201,792.06 × 138,164.42 - Step 4: Simplify right side
146,125.21x = 27,880,482,771.44 - Step 5: Solve for x
x = 27,880,482,771.44/146,125.21 - Step 6: Final answer
x = 190,798.58
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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.