Finding the Fourth Proportional to 136,202.28, 187,852.77 and 116,125.62
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Solution
The fourth proportional to 136,202.28, 187,852.77 and 116,125.62 is: 160,162.66
Step by Step Solution
- Step 1: Write the proportion equation
136,202.28 : 187,852.77 = 116,125.62 : x - Step 2: Convert to fraction form
136,202.28/187,852.77 = 116,125.62/x - Step 3: Cross multiply
136,202.28x = 187,852.77 × 116,125.62 - Step 4: Simplify right side
136,202.28x = 21,814,519,384.97 - Step 5: Solve for x
x = 21,814,519,384.97/136,202.28 - Step 6: Final answer
x = 160,162.66
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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.