Finding the Fourth Proportional to 117,811.10, 176,327.85 and 91,372.70
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Solution
The fourth proportional to 117,811.10, 176,327.85 and 91,372.70 is: 136,757.50
Step by Step Solution
- Step 1: Write the proportion equation
117,811.10 : 176,327.85 = 91,372.70 : x - Step 2: Convert to fraction form
117,811.10/176,327.85 = 91,372.70/x - Step 3: Cross multiply
117,811.10x = 176,327.85 × 91,372.70 - Step 4: Simplify right side
117,811.10x = 16,111,551,739.70 - Step 5: Solve for x
x = 16,111,551,739.70/117,811.10 - Step 6: Final answer
x = 136,757.50
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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.