Finding the Fourth Proportional to 132,374.88, 182,674.08 and 75,781.44
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Solution
The fourth proportional to 132,374.88, 182,674.08 and 75,781.44 is: 104,576.52
Step by Step Solution
- Step 1: Write the proportion equation
132,374.88 : 182,674.08 = 75,781.44 : x - Step 2: Convert to fraction form
132,374.88/182,674.08 = 75,781.44/x - Step 3: Cross multiply
132,374.88x = 182,674.08 × 75,781.44 - Step 4: Simplify right side
132,374.88x = 13,843,304,833.08 - Step 5: Solve for x
x = 13,843,304,833.08/132,374.88 - Step 6: Final answer
x = 104,576.52
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1.5x scale
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.