Finding the Fourth Proportional to 134,884.13, 186,150.41 and 74,466.42
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Solution
The fourth proportional to 134,884.13, 186,150.41 and 74,466.42 is: 102,769.35
Step by Step Solution
- Step 1: Write the proportion equation
134,884.13 : 186,150.41 = 74,466.42 : x - Step 2: Convert to fraction form
134,884.13/186,150.41 = 74,466.42/x - Step 3: Cross multiply
134,884.13x = 186,150.41 × 74,466.42 - Step 4: Simplify right side
134,884.13x = 13,861,954,241.90 - Step 5: Solve for x
x = 13,861,954,241.90/134,884.13 - Step 6: Final answer
x = 102,769.35
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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.