Finding the Fourth Proportional to 135,882.50, 202,908.70 and 110,971.96
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Solution
The fourth proportional to 135,882.50, 202,908.70 and 110,971.96 is: 165,710.64
Step by Step Solution
- Step 1: Write the proportion equation
135,882.50 : 202,908.70 = 110,971.96 : x - Step 2: Convert to fraction form
135,882.50/202,908.70 = 110,971.96/x - Step 3: Cross multiply
135,882.50x = 202,908.70 × 110,971.96 - Step 4: Simplify right side
135,882.50x = 22,517,176,140.05 - Step 5: Solve for x
x = 22,517,176,140.05/135,882.50 - Step 6: Final answer
x = 165,710.64
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.