Finding the Fourth Proportional to 134,466.24, 185,561.88 and 74,035.62
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Solution
The fourth proportional to 134,466.24, 185,561.88 and 74,035.62 is: 102,168.31
Step by Step Solution
- Step 1: Write the proportion equation
134,466.24 : 185,561.88 = 74,035.62 : x - Step 2: Convert to fraction form
134,466.24/185,561.88 = 74,035.62/x - Step 3: Cross multiply
134,466.24x = 185,561.88 × 74,035.62 - Step 4: Simplify right side
134,466.24x = 13,738,188,834.17 - Step 5: Solve for x
x = 13,738,188,834.17/134,466.24 - Step 6: Final answer
x = 102,168.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.