Finding the Fourth Proportional to 161,106.91, 241,728.71 and 86,207.63
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Solution
The fourth proportional to 161,106.91, 241,728.71 and 86,207.63 is: 129,348.01
Step by Step Solution
- Step 1: Write the proportion equation
161,106.91 : 241,728.71 = 86,207.63 : x - Step 2: Convert to fraction form
161,106.91/241,728.71 = 86,207.63/x - Step 3: Cross multiply
161,106.91x = 241,728.71 × 86,207.63 - Step 4: Simplify right side
161,106.91x = 20,838,857,552.38 - Step 5: Solve for x
x = 20,838,857,552.38/161,106.91 - Step 6: Final answer
x = 129,348.01
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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.