Finding the Fourth Proportional to 106,414.11, 146,851.43 and 61,095.02
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Solution
The fourth proportional to 106,414.11, 146,851.43 and 61,095.02 is: 84,311.09
Step by Step Solution
- Step 1: Write the proportion equation
106,414.11 : 146,851.43 = 61,095.02 : x - Step 2: Convert to fraction form
106,414.11/146,851.43 = 61,095.02/x - Step 3: Cross multiply
106,414.11x = 146,851.43 × 61,095.02 - Step 4: Simplify right side
106,414.11x = 8,971,890,013.15 - Step 5: Solve for x
x = 8,971,890,013.15/106,414.11 - Step 6: Final answer
x = 84,311.09
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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.