Finding the Fourth Proportional to 107,135.04, 147,843.36 and 64,678.08
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Solution
The fourth proportional to 107,135.04, 147,843.36 and 64,678.08 is: 89,253.94
Step by Step Solution
- Step 1: Write the proportion equation
107,135.04 : 147,843.36 = 64,678.08 : x - Step 2: Convert to fraction form
107,135.04/147,843.36 = 64,678.08/x - Step 3: Cross multiply
107,135.04x = 147,843.36 × 64,678.08 - Step 4: Simplify right side
107,135.04x = 9,562,224,665.55 - Step 5: Solve for x
x = 9,562,224,665.55/107,135.04 - Step 6: Final answer
x = 89,253.94
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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.