Finding the Fourth Proportional to 135,059.23, 202,715.97 and 68,547.09
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Solution
The fourth proportional to 135,059.23, 202,715.97 and 68,547.09 is: 102,885.16
Step by Step Solution
- Step 1: Write the proportion equation
135,059.23 : 202,715.97 = 68,547.09 : x - Step 2: Convert to fraction form
135,059.23/202,715.97 = 68,547.09/x - Step 3: Cross multiply
135,059.23x = 202,715.97 × 68,547.09 - Step 4: Simplify right side
135,059.23x = 13,895,590,343.16 - Step 5: Solve for x
x = 13,895,590,343.16/135,059.23 - Step 6: Final answer
x = 102,885.16
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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.