Finding the Fourth Proportional to 134,963.56, 186,252.66 and 74,534.08
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Solution
The fourth proportional to 134,963.56, 186,252.66 and 74,534.08 is: 102,858.66
Step by Step Solution
- Step 1: Write the proportion equation
134,963.56 : 186,252.66 = 74,534.08 : x - Step 2: Convert to fraction form
134,963.56/186,252.66 = 74,534.08/x - Step 3: Cross multiply
134,963.56x = 186,252.66 × 74,534.08 - Step 4: Simplify right side
134,963.56x = 13,882,170,660.65 - Step 5: Solve for x
x = 13,882,170,660.65/134,963.56 - Step 6: Final answer
x = 102,858.66
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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.