Finding the Fourth Proportional to 132,765.99, 183,214.76 and 72,337.07
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Solution
The fourth proportional to 132,765.99, 183,214.76 and 72,337.07 is: 99,823.89
Step by Step Solution
- Step 1: Write the proportion equation
132,765.99 : 183,214.76 = 72,337.07 : x - Step 2: Convert to fraction form
132,765.99/183,214.76 = 72,337.07/x - Step 3: Cross multiply
132,765.99x = 183,214.76 × 72,337.07 - Step 4: Simplify right side
132,765.99x = 13,253,217,641.39 - Step 5: Solve for x
x = 13,253,217,641.39/132,765.99 - Step 6: Final answer
x = 99,823.89
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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.