Finding the Fourth Proportional to 107,375.63, 148,178.36 and 62,663.63
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Solution
The fourth proportional to 107,375.63, 148,178.36 and 62,663.63 is: 86,475.80
Step by Step Solution
- Step 1: Write the proportion equation
107,375.63 : 148,178.36 = 62,663.63 : x - Step 2: Convert to fraction form
107,375.63/148,178.36 = 62,663.63/x - Step 3: Cross multiply
107,375.63x = 148,178.36 × 62,663.63 - Step 4: Simplify right side
107,375.63x = 9,285,393,340.81 - Step 5: Solve for x
x = 9,285,393,340.81/107,375.63 - Step 6: Final answer
x = 86,475.80
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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.