Finding the Fourth Proportional to 131,340.24, 181,204.56 and 74,737.44
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Solution
The fourth proportional to 131,340.24, 181,204.56 and 74,737.44 is: 103,112.08
Step by Step Solution
- Step 1: Write the proportion equation
131,340.24 : 181,204.56 = 74,737.44 : x - Step 2: Convert to fraction form
131,340.24/181,204.56 = 74,737.44/x - Step 3: Cross multiply
131,340.24x = 181,204.56 × 74,737.44 - Step 4: Simplify right side
131,340.24x = 13,542,764,930.73 - Step 5: Solve for x
x = 13,542,764,930.73/131,340.24 - Step 6: Final answer
x = 103,112.08
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1.5x scale
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.