Finding the Fourth Proportional to 134,880.64, 186,139.79 and 73,630.46
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Solution
The fourth proportional to 134,880.64, 186,139.79 and 73,630.46 is: 101,612.50
Step by Step Solution
- Step 1: Write the proportion equation
134,880.64 : 186,139.79 = 73,630.46 : x - Step 2: Convert to fraction form
134,880.64/186,139.79 = 73,630.46/x - Step 3: Cross multiply
134,880.64x = 186,139.79 × 73,630.46 - Step 4: Simplify right side
134,880.64x = 13,705,558,735.31 - Step 5: Solve for x
x = 13,705,558,735.31/134,880.64 - Step 6: Final answer
x = 101,612.50
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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.