Finding the Fourth Proportional to 175,129.71, 241,634.40 and 107,121.84
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Solution
The fourth proportional to 175,129.71, 241,634.40 and 107,121.84 is: 147,800.86
Step by Step Solution
- Step 1: Write the proportion equation
175,129.71 : 241,634.40 = 107,121.84 : x - Step 2: Convert to fraction form
175,129.71/241,634.40 = 107,121.84/x - Step 3: Cross multiply
175,129.71x = 241,634.40 × 107,121.84 - Step 4: Simplify right side
175,129.71x = 25,884,321,535.30 - Step 5: Solve for x
x = 25,884,321,535.30/175,129.71 - Step 6: Final answer
x = 147,800.86
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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.