Finding the Fourth Proportional to 132,214.66, 182,455.16 and 71,784.09
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Solution
The fourth proportional to 132,214.66, 182,455.16 and 71,784.09 is: 99,061.46
Step by Step Solution
- Step 1: Write the proportion equation
132,214.66 : 182,455.16 = 71,784.09 : x - Step 2: Convert to fraction form
132,214.66/182,455.16 = 71,784.09/x - Step 3: Cross multiply
132,214.66x = 182,455.16 × 71,784.09 - Step 4: Simplify right side
132,214.66x = 13,097,377,267.48 - Step 5: Solve for x
x = 13,097,377,267.48/132,214.66 - Step 6: Final answer
x = 99,061.46
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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.