Finding the Fourth Proportional to 125,548.95, 173,287.44 and 71,864.99
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Solution
The fourth proportional to 125,548.95, 173,287.44 and 71,864.99 is: 99,190.79
Step by Step Solution
- Step 1: Write the proportion equation
125,548.95 : 173,287.44 = 71,864.99 : x - Step 2: Convert to fraction form
125,548.95/173,287.44 = 71,864.99/x - Step 3: Cross multiply
125,548.95x = 173,287.44 × 71,864.99 - Step 4: Simplify right side
125,548.95x = 12,453,299,276.29 - Step 5: Solve for x
x = 12,453,299,276.29/125,548.95 - Step 6: Final answer
x = 99,190.79
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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.