Finding the Fourth Proportional to 117,126.74, 161,568.95 and 74,093.00
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Solution
The fourth proportional to 117,126.74, 161,568.95 and 74,093.00 is: 102,206.61
Step by Step Solution
- Step 1: Write the proportion equation
117,126.74 : 161,568.95 = 74,093.00 : x - Step 2: Convert to fraction form
117,126.74/161,568.95 = 74,093.00/x - Step 3: Cross multiply
117,126.74x = 161,568.95 × 74,093.00 - Step 4: Simplify right side
117,126.74x = 11,971,127,034.04 - Step 5: Solve for x
x = 11,971,127,034.04/117,126.74 - Step 6: Final answer
x = 102,206.61
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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.