Finding the Fourth Proportional to 146,197.13, 201,752.64 and 79,129.13
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Solution
The fourth proportional to 146,197.13, 201,752.64 and 79,129.13 is: 109,198.52
Step by Step Solution
- Step 1: Write the proportion equation
146,197.13 : 201,752.64 = 79,129.13 : x - Step 2: Convert to fraction form
146,197.13/201,752.64 = 79,129.13/x - Step 3: Cross multiply
146,197.13x = 201,752.64 × 79,129.13 - Step 4: Simplify right side
146,197.13x = 15,964,509,869.64 - Step 5: Solve for x
x = 15,964,509,869.64/146,197.13 - Step 6: Final answer
x = 109,198.52
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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.