Finding the Fourth Proportional to 125,164.26, 187,684.02 and 40,913.46
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Solution
The fourth proportional to 125,164.26, 187,684.02 and 40,913.46 is: 61,349.80
Step by Step Solution
- Step 1: Write the proportion equation
125,164.26 : 187,684.02 = 40,913.46 : x - Step 2: Convert to fraction form
125,164.26/187,684.02 = 40,913.46/x - Step 3: Cross multiply
125,164.26x = 187,684.02 × 40,913.46 - Step 4: Simplify right side
125,164.26x = 7,678,802,644.91 - Step 5: Solve for x
x = 7,678,802,644.91/125,164.26 - Step 6: Final answer
x = 61,349.80
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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.