Finding the Fourth Proportional to 117,350.17, 161,940.36 and 63,633.80
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Solution
The fourth proportional to 117,350.17, 161,940.36 and 63,633.80 is: 87,813.09
Step by Step Solution
- Step 1: Write the proportion equation
117,350.17 : 161,940.36 = 63,633.80 : x - Step 2: Convert to fraction form
117,350.17/161,940.36 = 63,633.80/x - Step 3: Cross multiply
117,350.17x = 161,940.36 × 63,633.80 - Step 4: Simplify right side
117,350.17x = 10,304,881,123.65 - Step 5: Solve for x
x = 10,304,881,123.65/117,350.17 - Step 6: Final answer
x = 87,813.09
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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.