Finding the Fourth Proportional to 132,397.83, 182,667.02 and 82,125.99
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Solution
The fourth proportional to 132,397.83, 182,667.02 and 82,125.99 is: 113,307.82
Step by Step Solution
- Step 1: Write the proportion equation
132,397.83 : 182,667.02 = 82,125.99 : x - Step 2: Convert to fraction form
132,397.83/182,667.02 = 82,125.99/x - Step 3: Cross multiply
132,397.83x = 182,667.02 × 82,125.99 - Step 4: Simplify right side
132,397.83x = 15,001,709,447.22 - Step 5: Solve for x
x = 15,001,709,447.22/132,397.83 - Step 6: Final answer
x = 113,307.82
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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.