Finding the Fourth Proportional to 130,382.84, 195,574.26 and 83,930.96
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Solution
The fourth proportional to 130,382.84, 195,574.26 and 83,930.96 is: 125,896.44
Step by Step Solution
- Step 1: Write the proportion equation
130,382.84 : 195,574.26 = 83,930.96 : x - Step 2: Convert to fraction form
130,382.84/195,574.26 = 83,930.96/x - Step 3: Cross multiply
130,382.84x = 195,574.26 × 83,930.96 - Step 4: Simplify right side
130,382.84x = 16,414,734,415.22 - Step 5: Solve for x
x = 16,414,734,415.22/130,382.84 - Step 6: Final answer
x = 125,896.44
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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.