Finding the Fourth Proportional to 122,297.23, 183,498.50 and 66,176.79
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Solution
The fourth proportional to 122,297.23, 183,498.50 and 66,176.79 is: 99,293.68
Step by Step Solution
- Step 1: Write the proportion equation
122,297.23 : 183,498.50 = 66,176.79 : x - Step 2: Convert to fraction form
122,297.23/183,498.50 = 66,176.79/x - Step 3: Cross multiply
122,297.23x = 183,498.50 × 66,176.79 - Step 4: Simplify right side
122,297.23x = 12,143,341,699.82 - Step 5: Solve for x
x = 12,143,341,699.82/122,297.23 - Step 6: Final answer
x = 99,293.68
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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.