Finding the Fourth Proportional to 135,450.29, 202,988.61 and 102,133.73
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Solution
The fourth proportional to 135,450.29, 202,988.61 and 102,133.73 is: 153,059.72
Step by Step Solution
- Step 1: Write the proportion equation
135,450.29 : 202,988.61 = 102,133.73 : x - Step 2: Convert to fraction form
135,450.29/202,988.61 = 102,133.73/x - Step 3: Cross multiply
135,450.29x = 202,988.61 × 102,133.73 - Step 4: Simplify right side
135,450.29x = 20,731,982,871.87 - Step 5: Solve for x
x = 20,731,982,871.87/135,450.29 - Step 6: Final answer
x = 153,059.72
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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.