Finding the Fourth Proportional to 110,631.50, 152,682.99 and 68,188.94
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Solution
The fourth proportional to 110,631.50, 152,682.99 and 68,188.94 is: 94,107.84
Step by Step Solution
- Step 1: Write the proportion equation
110,631.50 : 152,682.99 = 68,188.94 : x - Step 2: Convert to fraction form
110,631.50/152,682.99 = 68,188.94/x - Step 3: Cross multiply
110,631.50x = 152,682.99 × 68,188.94 - Step 4: Simplify right side
110,631.50x = 10,411,291,244.13 - Step 5: Solve for x
x = 10,411,291,244.13/110,631.50 - Step 6: Final answer
x = 94,107.84
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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.