Finding the Fourth Proportional to 134,953.36, 186,235.67 and 74,528.10
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Solution
The fourth proportional to 134,953.36, 186,235.67 and 74,528.10 is: 102,848.80
Step by Step Solution
- Step 1: Write the proportion equation
134,953.36 : 186,235.67 = 74,528.10 : x - Step 2: Convert to fraction form
134,953.36/186,235.67 = 74,528.10/x - Step 3: Cross multiply
134,953.36x = 186,235.67 × 74,528.10 - Step 4: Simplify right side
134,953.36x = 13,879,790,823.65 - Step 5: Solve for x
x = 13,879,790,823.65/134,953.36 - Step 6: Final answer
x = 102,848.80
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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.