Finding the Fourth Proportional to 135,269.07, 186,731.10 and 80,840.44
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Solution
The fourth proportional to 135,269.07, 186,731.10 and 80,840.44 is: 111,595.53
Step by Step Solution
- Step 1: Write the proportion equation
135,269.07 : 186,731.10 = 80,840.44 : x - Step 2: Convert to fraction form
135,269.07/186,731.10 = 80,840.44/x - Step 3: Cross multiply
135,269.07x = 186,731.10 × 80,840.44 - Step 4: Simplify right side
135,269.07x = 15,095,423,149.93 - Step 5: Solve for x
x = 15,095,423,149.93/135,269.07 - Step 6: Final answer
x = 111,595.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.