Finding the Fourth Proportional to 107,689.40, 161,884.02 and 107,164.52
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Solution
The fourth proportional to 107,689.40, 161,884.02 and 107,164.52 is: 161,094.99
Step by Step Solution
- Step 1: Write the proportion equation
107,689.40 : 161,884.02 = 107,164.52 : x - Step 2: Convert to fraction form
107,689.40/161,884.02 = 107,164.52/x - Step 3: Cross multiply
107,689.40x = 161,884.02 × 107,164.52 - Step 4: Simplify right side
107,689.40x = 17,348,223,298.97 - Step 5: Solve for x
x = 17,348,223,298.97/107,689.40 - Step 6: Final answer
x = 161,094.99
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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.