Finding the Fourth Proportional to 168,140.70, 232,034.47 and 91,660.41
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Solution
The fourth proportional to 168,140.70, 232,034.47 and 91,660.41 is: 126,491.53
Step by Step Solution
- Step 1: Write the proportion equation
168,140.70 : 232,034.47 = 91,660.41 : x - Step 2: Convert to fraction form
168,140.70/232,034.47 = 91,660.41/x - Step 3: Cross multiply
168,140.70x = 232,034.47 × 91,660.41 - Step 4: Simplify right side
168,140.70x = 21,268,374,425.18 - Step 5: Solve for x
x = 21,268,374,425.18/168,140.70 - Step 6: Final answer
x = 126,491.53
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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.