Finding the Fourth Proportional to 138,341.42, 207,512.17 and 106,797.53
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Solution
The fourth proportional to 138,341.42, 207,512.17 and 106,797.53 is: 160,196.32
Step by Step Solution
- Step 1: Write the proportion equation
138,341.42 : 207,512.17 = 106,797.53 : x - Step 2: Convert to fraction form
138,341.42/207,512.17 = 106,797.53/x - Step 3: Cross multiply
138,341.42x = 207,512.17 × 106,797.53 - Step 4: Simplify right side
138,341.42x = 22,161,785,843.47 - Step 5: Solve for x
x = 22,161,785,843.47/138,341.42 - Step 6: Final answer
x = 160,196.32
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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.