Finding the Fourth Proportional to 134,812.35, 202,342.86 and 68,299.20
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Solution
The fourth proportional to 134,812.35, 202,342.86 and 68,299.20 is: 102,511.79
Step by Step Solution
- Step 1: Write the proportion equation
134,812.35 : 202,342.86 = 68,299.20 : x - Step 2: Convert to fraction form
134,812.35/202,342.86 = 68,299.20/x - Step 3: Cross multiply
134,812.35x = 202,342.86 × 68,299.20 - Step 4: Simplify right side
134,812.35x = 13,819,855,463.71 - Step 5: Solve for x
x = 13,819,855,463.71/134,812.35 - Step 6: Final answer
x = 102,511.79
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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.