Finding the Fourth Proportional to 122,137.70, 183,206.96 and 43,254.23
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Solution
The fourth proportional to 122,137.70, 183,206.96 and 43,254.23 is: 64,881.48
Step by Step Solution
- Step 1: Write the proportion equation
122,137.70 : 183,206.96 = 43,254.23 : x - Step 2: Convert to fraction form
122,137.70/183,206.96 = 43,254.23/x - Step 3: Cross multiply
122,137.70x = 183,206.96 × 43,254.23 - Step 4: Simplify right side
122,137.70x = 7,924,474,853.13 - Step 5: Solve for x
x = 7,924,474,853.13/122,137.70 - Step 6: Final answer
x = 64,881.48
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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.