Finding the Fourth Proportional to 125,108.40, 187,674.92 and 36,362.68
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Solution
The fourth proportional to 125,108.40, 187,674.92 and 36,362.68 is: 54,547.60
Step by Step Solution
- Step 1: Write the proportion equation
125,108.40 : 187,674.92 = 36,362.68 : x - Step 2: Convert to fraction form
125,108.40/187,674.92 = 36,362.68/x - Step 3: Cross multiply
125,108.40x = 187,674.92 × 36,362.68 - Step 4: Simplify right side
125,108.40x = 6,824,363,059.99 - Step 5: Solve for x
x = 6,824,363,059.99/125,108.40 - Step 6: Final answer
x = 54,547.60
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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.