Finding the Fourth Proportional to 135,145.76, 202,499.76 and 82,395.68
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Solution
The fourth proportional to 135,145.76, 202,499.76 and 82,395.68 is: 123,460.07
Step by Step Solution
- Step 1: Write the proportion equation
135,145.76 : 202,499.76 = 82,395.68 : x - Step 2: Convert to fraction form
135,145.76/202,499.76 = 82,395.68/x - Step 3: Cross multiply
135,145.76x = 202,499.76 × 82,395.68 - Step 4: Simplify right side
135,145.76x = 16,685,105,425.04 - Step 5: Solve for x
x = 16,685,105,425.04/135,145.76 - Step 6: Final answer
x = 123,460.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.