Finding the Fourth Proportional to 166,664.16, 229,987.68 and 91,198.08
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Solution
The fourth proportional to 166,664.16, 229,987.68 and 91,198.08 is: 125,848.50
Step by Step Solution
- Step 1: Write the proportion equation
166,664.16 : 229,987.68 = 91,198.08 : x - Step 2: Convert to fraction form
166,664.16/229,987.68 = 91,198.08/x - Step 3: Cross multiply
166,664.16x = 229,987.68 × 91,198.08 - Step 4: Simplify right side
166,664.16x = 20,974,434,839.65 - Step 5: Solve for x
x = 20,974,434,839.65/166,664.16 - Step 6: Final answer
x = 125,848.50
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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.