Finding the Fourth Proportional to 147,203.51, 203,140.26 and 82,663.79
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Solution
The fourth proportional to 147,203.51, 203,140.26 and 82,663.79 is: 114,075.70
Step by Step Solution
- Step 1: Write the proportion equation
147,203.51 : 203,140.26 = 82,663.79 : x - Step 2: Convert to fraction form
147,203.51/203,140.26 = 82,663.79/x - Step 3: Cross multiply
147,203.51x = 203,140.26 × 82,663.79 - Step 4: Simplify right side
147,203.51x = 16,792,342,777.48 - Step 5: Solve for x
x = 16,792,342,777.48/147,203.51 - Step 6: Final answer
x = 114,075.70
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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.