Finding the Fourth Proportional to 132,572.53, 182,953.94 and 72,147.07
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Solution
The fourth proportional to 132,572.53, 182,953.94 and 72,147.07 is: 99,565.05
Step by Step Solution
- Step 1: Write the proportion equation
132,572.53 : 182,953.94 = 72,147.07 : x - Step 2: Convert to fraction form
132,572.53/182,953.94 = 72,147.07/x - Step 3: Cross multiply
132,572.53x = 182,953.94 × 72,147.07 - Step 4: Simplify right side
132,572.53x = 13,199,590,715.96 - Step 5: Solve for x
x = 13,199,590,715.96/132,572.53 - Step 6: Final answer
x = 99,565.05
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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.