Finding the Fourth Proportional to 117,906.40, 176,748.42 and 58,686.09
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Solution
The fourth proportional to 117,906.40, 176,748.42 and 58,686.09 is: 87,973.80
Step by Step Solution
- Step 1: Write the proportion equation
117,906.40 : 176,748.42 = 58,686.09 : x - Step 2: Convert to fraction form
117,906.40/176,748.42 = 58,686.09/x - Step 3: Cross multiply
117,906.40x = 176,748.42 × 58,686.09 - Step 4: Simplify right side
117,906.40x = 10,372,673,683.48 - Step 5: Solve for x
x = 10,372,673,683.48/117,906.40 - Step 6: Final answer
x = 87,973.80
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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.