Finding the Fourth Proportional to 147,962.64, 204,190.48 and 87,531.73
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Solution
The fourth proportional to 147,962.64, 204,190.48 and 87,531.73 is: 120,794.99
Step by Step Solution
- Step 1: Write the proportion equation
147,962.64 : 204,190.48 = 87,531.73 : x - Step 2: Convert to fraction form
147,962.64/204,190.48 = 87,531.73/x - Step 3: Cross multiply
147,962.64x = 204,190.48 × 87,531.73 - Step 4: Simplify right side
147,962.64x = 17,873,145,963.93 - Step 5: Solve for x
x = 17,873,145,963.93/147,962.64 - Step 6: Final answer
x = 120,794.99
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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.