Finding the Fourth Proportional to 134,930.88, 202,125.60 and 123,907.68
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Solution
The fourth proportional to 134,930.88, 202,125.60 and 123,907.68 is: 185,612.92
Step by Step Solution
- Step 1: Write the proportion equation
134,930.88 : 202,125.60 = 123,907.68 : x - Step 2: Convert to fraction form
134,930.88/202,125.60 = 123,907.68/x - Step 3: Cross multiply
134,930.88x = 202,125.60 × 123,907.68 - Step 4: Simplify right side
134,930.88x = 25,044,914,164.61 - Step 5: Solve for x
x = 25,044,914,164.61/134,930.88 - Step 6: Final answer
x = 185,612.92
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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.