Finding the Fourth Proportional to 117,370.68, 161,956.65 and 69,614.70
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Solution
The fourth proportional to 117,370.68, 161,956.65 and 69,614.70 is: 96,059.46
Step by Step Solution
- Step 1: Write the proportion equation
117,370.68 : 161,956.65 = 69,614.70 : x - Step 2: Convert to fraction form
117,370.68/161,956.65 = 69,614.70/x - Step 3: Cross multiply
117,370.68x = 161,956.65 × 69,614.70 - Step 4: Simplify right side
117,370.68x = 11,274,563,602.76 - Step 5: Solve for x
x = 11,274,563,602.76/117,370.68 - Step 6: Final answer
x = 96,059.46
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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.