Finding the Fourth Proportional to 133,189.23, 183,806.61 and 76,600.62
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Solution
The fourth proportional to 133,189.23, 183,806.61 and 76,600.62 is: 105,712.00
Step by Step Solution
- Step 1: Write the proportion equation
133,189.23 : 183,806.61 = 76,600.62 : x - Step 2: Convert to fraction form
133,189.23/183,806.61 = 76,600.62/x - Step 3: Cross multiply
133,189.23x = 183,806.61 × 76,600.62 - Step 4: Simplify right side
133,189.23x = 14,079,700,286.10 - Step 5: Solve for x
x = 14,079,700,286.10/133,189.23 - Step 6: Final answer
x = 105,712.00
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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.