Finding the Fourth Proportional to 135,703.08, 187,270.26 and 75,271.68
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Solution
The fourth proportional to 135,703.08, 187,270.26 and 75,271.68 is: 103,874.92
Step by Step Solution
- Step 1: Write the proportion equation
135,703.08 : 187,270.26 = 75,271.68 : x - Step 2: Convert to fraction form
135,703.08/187,270.26 = 75,271.68/x - Step 3: Cross multiply
135,703.08x = 187,270.26 × 75,271.68 - Step 4: Simplify right side
135,703.08x = 14,096,147,084.24 - Step 5: Solve for x
x = 14,096,147,084.24/135,703.08 - Step 6: Final answer
x = 103,874.92
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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.