Finding the Fourth Proportional to 132,885.18, 183,425.99 and 79,187.04
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Solution
The fourth proportional to 132,885.18, 183,425.99 and 79,187.04 is: 109,304.60
Step by Step Solution
- Step 1: Write the proportion equation
132,885.18 : 183,425.99 = 79,187.04 : x - Step 2: Convert to fraction form
132,885.18/183,425.99 = 79,187.04/x - Step 3: Cross multiply
132,885.18x = 183,425.99 × 79,187.04 - Step 4: Simplify right side
132,885.18x = 14,524,960,811.23 - Step 5: Solve for x
x = 14,524,960,811.23/132,885.18 - Step 6: Final answer
x = 109,304.60
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1.5x scale
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.