Finding the Fourth Proportional to 132,392.55, 182,743.52 and 84,646.09
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Solution
The fourth proportional to 132,392.55, 182,743.52 and 84,646.09 is: 116,838.32
Step by Step Solution
- Step 1: Write the proportion equation
132,392.55 : 182,743.52 = 84,646.09 : x - Step 2: Convert to fraction form
132,392.55/182,743.52 = 84,646.09/x - Step 3: Cross multiply
132,392.55x = 182,743.52 × 84,646.09 - Step 4: Simplify right side
132,392.55x = 15,468,523,560.75 - Step 5: Solve for x
x = 15,468,523,560.75/132,392.55 - Step 6: Final answer
x = 116,838.32
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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.