Finding the Fourth Proportional to 122,114.05, 183,116.40 and 55,519.90
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Solution
The fourth proportional to 122,114.05, 183,116.40 and 55,519.90 is: 83,254.99
Step by Step Solution
- Step 1: Write the proportion equation
122,114.05 : 183,116.40 = 55,519.90 : x - Step 2: Convert to fraction form
122,114.05/183,116.40 = 55,519.90/x - Step 3: Cross multiply
122,114.05x = 183,116.40 × 55,519.90 - Step 4: Simplify right side
122,114.05x = 10,166,604,216.36 - Step 5: Solve for x
x = 10,166,604,216.36/122,114.05 - Step 6: Final answer
x = 83,254.99
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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.