Finding the Fourth Proportional to 135,175.58, 186,539.00 and 74,744.67
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Solution
The fourth proportional to 135,175.58, 186,539.00 and 74,744.67 is: 103,145.82
Step by Step Solution
- Step 1: Write the proportion equation
135,175.58 : 186,539.00 = 74,744.67 : x - Step 2: Convert to fraction form
135,175.58/186,539.00 = 74,744.67/x - Step 3: Cross multiply
135,175.58x = 186,539.00 × 74,744.67 - Step 4: Simplify right side
135,175.58x = 13,942,796,743.37 - Step 5: Solve for x
x = 13,942,796,743.37/135,175.58 - Step 6: Final answer
x = 103,145.82
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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.