Finding the Fourth Proportional to 122,434.80, 183,652.20 and 102,751.80
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Solution
The fourth proportional to 122,434.80, 183,652.20 and 102,751.80 is: 154,127.70
Step by Step Solution
- Step 1: Write the proportion equation
122,434.80 : 183,652.20 = 102,751.80 : x - Step 2: Convert to fraction form
122,434.80/183,652.20 = 102,751.80/x - Step 3: Cross multiply
122,434.80x = 183,652.20 × 102,751.80 - Step 4: Simplify right side
122,434.80x = 18,870,594,123.96 - Step 5: Solve for x
x = 18,870,594,123.96/122,434.80 - Step 6: Final answer
x = 154,127.70
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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.