Finding the Fourth Proportional to 134,908.68, 186,176.70 and 74,479.08
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Solution
The fourth proportional to 134,908.68, 186,176.70 and 74,479.08 is: 102,782.63
Step by Step Solution
- Step 1: Write the proportion equation
134,908.68 : 186,176.70 = 74,479.08 : x - Step 2: Convert to fraction form
134,908.68/186,176.70 = 74,479.08/x - Step 3: Cross multiply
134,908.68x = 186,176.70 × 74,479.08 - Step 4: Simplify right side
134,908.68x = 13,866,269,333.44 - Step 5: Solve for x
x = 13,866,269,333.44/134,908.68 - Step 6: Final answer
x = 102,782.63
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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.