Finding the Fourth Proportional to 125,186.72, 187,810.85 and 36,440.99
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Solution
The fourth proportional to 125,186.72, 187,810.85 and 36,440.99 is: 54,670.44
Step by Step Solution
- Step 1: Write the proportion equation
125,186.72 : 187,810.85 = 36,440.99 : x - Step 2: Convert to fraction form
125,186.72/187,810.85 = 36,440.99/x - Step 3: Cross multiply
125,186.72x = 187,810.85 × 36,440.99 - Step 4: Simplify right side
125,186.72x = 6,844,013,163.08 - Step 5: Solve for x
x = 6,844,013,163.08/125,186.72 - Step 6: Final answer
x = 54,670.44
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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.