Finding the Fourth Proportional to 122,253.66, 183,343.14 and 84,545.28
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Solution
The fourth proportional to 122,253.66, 183,343.14 and 84,545.28 is: 126,792.09
Step by Step Solution
- Step 1: Write the proportion equation
122,253.66 : 183,343.14 = 84,545.28 : x - Step 2: Convert to fraction form
122,253.66/183,343.14 = 84,545.28/x - Step 3: Cross multiply
122,253.66x = 183,343.14 × 84,545.28 - Step 4: Simplify right side
122,253.66x = 15,500,797,107.38 - Step 5: Solve for x
x = 15,500,797,107.38/122,253.66 - Step 6: Final answer
x = 126,792.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.