Finding the Fourth Proportional to 122,154.49, 183,021.36 and 95,490.10
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Solution
The fourth proportional to 122,154.49, 183,021.36 and 95,490.10 is: 143,070.70
Step by Step Solution
- Step 1: Write the proportion equation
122,154.49 : 183,021.36 = 95,490.10 : x - Step 2: Convert to fraction form
122,154.49/183,021.36 = 95,490.10/x - Step 3: Cross multiply
122,154.49x = 183,021.36 × 95,490.10 - Step 4: Simplify right side
122,154.49x = 17,476,727,968.54 - Step 5: Solve for x
x = 17,476,727,968.54/122,154.49 - Step 6: Final answer
x = 143,070.70
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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.