Finding the Fourth Proportional to 147,200.36, 203,163.01 and 86,767.48
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Solution
The fourth proportional to 147,200.36, 203,163.01 and 86,767.48 is: 119,754.75
Step by Step Solution
- Step 1: Write the proportion equation
147,200.36 : 203,163.01 = 86,767.48 : x - Step 2: Convert to fraction form
147,200.36/203,163.01 = 86,767.48/x - Step 3: Cross multiply
147,200.36x = 203,163.01 × 86,767.48 - Step 4: Simplify right side
147,200.36x = 17,627,942,406.91 - Step 5: Solve for x
x = 17,627,942,406.91/147,200.36 - Step 6: Final answer
x = 119,754.75
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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.