Finding the Fourth Proportional to 119,433.19, 178,755.99 and 66,043.03
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Solution
The fourth proportional to 119,433.19, 178,755.99 and 66,043.03 is: 98,846.79
Step by Step Solution
- Step 1: Write the proportion equation
119,433.19 : 178,755.99 = 66,043.03 : x - Step 2: Convert to fraction form
119,433.19/178,755.99 = 66,043.03/x - Step 3: Cross multiply
119,433.19x = 178,755.99 × 66,043.03 - Step 4: Simplify right side
119,433.19x = 11,805,587,210.25 - Step 5: Solve for x
x = 11,805,587,210.25/119,433.19 - Step 6: Final answer
x = 98,846.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.