Finding the Fourth Proportional to 190,129.19, 285,474.14 and 106,053.62
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Solution
The fourth proportional to 190,129.19, 285,474.14 and 106,053.62 is: 159,236.81
Step by Step Solution
- Step 1: Write the proportion equation
190,129.19 : 285,474.14 = 106,053.62 : x - Step 2: Convert to fraction form
190,129.19/285,474.14 = 106,053.62/x - Step 3: Cross multiply
190,129.19x = 285,474.14 × 106,053.62 - Step 4: Simplify right side
190,129.19x = 30,275,565,963.39 - Step 5: Solve for x
x = 30,275,565,963.39/190,129.19 - Step 6: Final answer
x = 159,236.81
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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.