Finding the Fourth Proportional to 106,246.62, 146,619.09 and 58,498.92
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Solution
The fourth proportional to 106,246.62, 146,619.09 and 58,498.92 is: 80,727.82
Step by Step Solution
- Step 1: Write the proportion equation
106,246.62 : 146,619.09 = 58,498.92 : x - Step 2: Convert to fraction form
106,246.62/146,619.09 = 58,498.92/x - Step 3: Cross multiply
106,246.62x = 146,619.09 × 58,498.92 - Step 4: Simplify right side
106,246.62x = 8,577,058,416.38 - Step 5: Solve for x
x = 8,577,058,416.38/106,246.62 - Step 6: Final answer
x = 80,727.82
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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.