Finding the Fourth Proportional to 125,894.12, 188,859.63 and 37,136.08
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Solution
The fourth proportional to 125,894.12, 188,859.63 and 37,136.08 is: 55,709.56
Step by Step Solution
- Step 1: Write the proportion equation
125,894.12 : 188,859.63 = 37,136.08 : x - Step 2: Convert to fraction form
125,894.12/188,859.63 = 37,136.08/x - Step 3: Cross multiply
125,894.12x = 188,859.63 × 37,136.08 - Step 4: Simplify right side
125,894.12x = 7,013,506,328.45 - Step 5: Solve for x
x = 7,013,506,328.45/125,894.12 - Step 6: Final answer
x = 55,709.56
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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.