Finding the Fourth Proportional to 168,153.42, 252,229.70 and 55,842.06
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Solution
The fourth proportional to 168,153.42, 252,229.70 and 55,842.06 is: 83,762.95
Step by Step Solution
- Step 1: Write the proportion equation
168,153.42 : 252,229.70 = 55,842.06 : x - Step 2: Convert to fraction form
168,153.42/252,229.70 = 55,842.06/x - Step 3: Cross multiply
168,153.42x = 252,229.70 × 55,842.06 - Step 4: Simplify right side
168,153.42x = 14,085,026,041.18 - Step 5: Solve for x
x = 14,085,026,041.18/168,153.42 - Step 6: Final answer
x = 83,762.95
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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.