Finding the Fourth Proportional to 122,130.30, 183,221.61 and 37,888.65
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Solution
The fourth proportional to 122,130.30, 183,221.61 and 37,888.65 is: 56,841.09
Step by Step Solution
- Step 1: Write the proportion equation
122,130.30 : 183,221.61 = 37,888.65 : x - Step 2: Convert to fraction form
122,130.30/183,221.61 = 37,888.65/x - Step 3: Cross multiply
122,130.30x = 183,221.61 × 37,888.65 - Step 4: Simplify right side
122,130.30x = 6,942,019,453.73 - Step 5: Solve for x
x = 6,942,019,453.73/122,130.30 - Step 6: Final answer
x = 56,841.09
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1.5x scale
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.