Finding the Fourth Proportional to 187,843.05, 259,233.35 and 102,963.69
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Solution
The fourth proportional to 187,843.05, 259,233.35 and 102,963.69 is: 142,095.34
Step by Step Solution
- Step 1: Write the proportion equation
187,843.05 : 259,233.35 = 102,963.69 : x - Step 2: Convert to fraction form
187,843.05/259,233.35 = 102,963.69/x - Step 3: Cross multiply
187,843.05x = 259,233.35 × 102,963.69 - Step 4: Simplify right side
187,843.05x = 26,691,621,772.24 - Step 5: Solve for x
x = 26,691,621,772.24/187,843.05 - Step 6: Final answer
x = 142,095.34
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1.5x scale
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.