Finding the Fourth Proportional to 148,161.71, 204,461.60 and 80,177.19
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Solution
The fourth proportional to 148,161.71, 204,461.60 and 80,177.19 is: 110,643.68
Step by Step Solution
- Step 1: Write the proportion equation
148,161.71 : 204,461.60 = 80,177.19 : x - Step 2: Convert to fraction form
148,161.71/204,461.60 = 80,177.19/x - Step 3: Cross multiply
148,161.71x = 204,461.60 × 80,177.19 - Step 4: Simplify right side
148,161.71x = 16,393,156,150.02 - Step 5: Solve for x
x = 16,393,156,150.02/148,161.71 - Step 6: Final answer
x = 110,643.68
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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.