Finding the Fourth Proportional to 106,503.66, 146,974.23 and 58,759.02
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Solution
The fourth proportional to 106,503.66, 146,974.23 and 58,759.02 is: 81,086.99
Step by Step Solution
- Step 1: Write the proportion equation
106,503.66 : 146,974.23 = 58,759.02 : x - Step 2: Convert to fraction form
106,503.66/146,974.23 = 58,759.02/x - Step 3: Cross multiply
106,503.66x = 146,974.23 × 58,759.02 - Step 4: Simplify right side
106,503.66x = 8,636,061,720.05 - Step 5: Solve for x
x = 8,636,061,720.05/106,503.66 - Step 6: Final answer
x = 81,086.99
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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.