Finding the Fourth Proportional to 107,234.08, 147,976.07 and 59,487.31
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Solution
The fourth proportional to 107,234.08, 147,976.07 and 59,487.31 is: 82,088.63
Step by Step Solution
- Step 1: Write the proportion equation
107,234.08 : 147,976.07 = 59,487.31 : x - Step 2: Convert to fraction form
107,234.08/147,976.07 = 59,487.31/x - Step 3: Cross multiply
107,234.08x = 147,976.07 × 59,487.31 - Step 4: Simplify right side
107,234.08x = 8,802,698,236.21 - Step 5: Solve for x
x = 8,802,698,236.21/107,234.08 - Step 6: Final answer
x = 82,088.63
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1.5x scale
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.