Finding the Fourth Proportional to 135,059.42, 202,716.25 and 68,547.29
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Solution
The fourth proportional to 135,059.42, 202,716.25 and 68,547.29 is: 102,885.45
Step by Step Solution
- Step 1: Write the proportion equation
135,059.42 : 202,716.25 = 68,547.29 : x - Step 2: Convert to fraction form
135,059.42/202,716.25 = 68,547.29/x - Step 3: Cross multiply
135,059.42x = 202,716.25 × 68,547.29 - Step 4: Simplify right side
135,059.42x = 13,895,648,562.88 - Step 5: Solve for x
x = 13,895,648,562.88/135,059.42 - Step 6: Final answer
x = 102,885.45
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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.