Finding the Fourth Proportional to 125,252.64, 187,939.64 and 55,122.84
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Solution
The fourth proportional to 125,252.64, 187,939.64 and 55,122.84 is: 82,710.96
Step by Step Solution
- Step 1: Write the proportion equation
125,252.64 : 187,939.64 = 55,122.84 : x - Step 2: Convert to fraction form
125,252.64/187,939.64 = 55,122.84/x - Step 3: Cross multiply
125,252.64x = 187,939.64 × 55,122.84 - Step 4: Simplify right side
125,252.64x = 10,359,766,705.38 - Step 5: Solve for x
x = 10,359,766,705.38/125,252.64 - Step 6: Final answer
x = 82,710.96
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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.