Finding the Fourth Proportional to 132,885.63, 183,403.20 and 79,201.79
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Solution
The fourth proportional to 132,885.63, 183,403.20 and 79,201.79 is: 109,311.00
Step by Step Solution
- Step 1: Write the proportion equation
132,885.63 : 183,403.20 = 79,201.79 : x - Step 2: Convert to fraction form
132,885.63/183,403.20 = 79,201.79/x - Step 3: Cross multiply
132,885.63x = 183,403.20 × 79,201.79 - Step 4: Simplify right side
132,885.63x = 14,525,860,814.71 - Step 5: Solve for x
x = 14,525,860,814.71/132,885.63 - Step 6: Final answer
x = 109,311.00
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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.