Finding the Fourth Proportional to 125,243.13, 187,875.63 and 31,748.88
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Solution
The fourth proportional to 125,243.13, 187,875.63 and 31,748.88 is: 47,626.09
Step by Step Solution
- Step 1: Write the proportion equation
125,243.13 : 187,875.63 = 31,748.88 : x - Step 2: Convert to fraction form
125,243.13/187,875.63 = 31,748.88/x - Step 3: Cross multiply
125,243.13x = 187,875.63 × 31,748.88 - Step 4: Simplify right side
125,243.13x = 5,964,839,733.67 - Step 5: Solve for x
x = 5,964,839,733.67/125,243.13 - Step 6: Final answer
x = 47,626.09
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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.