Finding the Fourth Proportional to 135,097.18, 202,645.45 and 126,876.45
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Solution
The fourth proportional to 135,097.18, 202,645.45 and 126,876.45 is: 190,314.37
Step by Step Solution
- Step 1: Write the proportion equation
135,097.18 : 202,645.45 = 126,876.45 : x - Step 2: Convert to fraction form
135,097.18/202,645.45 = 126,876.45/x - Step 3: Cross multiply
135,097.18x = 202,645.45 × 126,876.45 - Step 4: Simplify right side
135,097.18x = 25,710,935,304.65 - Step 5: Solve for x
x = 25,710,935,304.65/135,097.18 - Step 6: Final answer
x = 190,314.37
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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.