Finding the Fourth Proportional to 97,682.18, 146,415.63 and 63,907.61
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Solution
The fourth proportional to 97,682.18, 146,415.63 and 63,907.61 is: 95,790.99
Step by Step Solution
- Step 1: Write the proportion equation
97,682.18 : 146,415.63 = 63,907.61 : x - Step 2: Convert to fraction form
97,682.18/146,415.63 = 63,907.61/x - Step 3: Cross multiply
97,682.18x = 146,415.63 × 63,907.61 - Step 4: Simplify right side
97,682.18x = 9,357,072,979.94 - Step 5: Solve for x
x = 9,357,072,979.94/97,682.18 - Step 6: Final answer
x = 95,790.99
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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.