Finding the Fourth Proportional to 135,924.97, 187,580.51 and 82,219.81
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Solution
The fourth proportional to 135,924.97, 187,580.51 and 82,219.81 is: 113,465.79
Step by Step Solution
- Step 1: Write the proportion equation
135,924.97 : 187,580.51 = 82,219.81 : x - Step 2: Convert to fraction form
135,924.97/187,580.51 = 82,219.81/x - Step 3: Cross multiply
135,924.97x = 187,580.51 × 82,219.81 - Step 4: Simplify right side
135,924.97x = 15,422,833,891.90 - Step 5: Solve for x
x = 15,422,833,891.90/135,924.97 - Step 6: Final answer
x = 113,465.79
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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.