Finding the Fourth Proportional to 136,051.84, 187,755.80 and 82,346.68
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Solution
The fourth proportional to 136,051.84, 187,755.80 and 82,346.68 is: 113,641.00
Step by Step Solution
- Step 1: Write the proportion equation
136,051.84 : 187,755.80 = 82,346.68 : x - Step 2: Convert to fraction form
136,051.84/187,755.80 = 82,346.68/x - Step 3: Cross multiply
136,051.84x = 187,755.80 × 82,346.68 - Step 4: Simplify right side
136,051.84x = 15,461,066,780.74 - Step 5: Solve for x
x = 15,461,066,780.74/136,051.84 - Step 6: Final answer
x = 113,641.00
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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.