Finding the Fourth Proportional to 109,088.75, 150,543.37 and 61,341.68
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Solution
The fourth proportional to 109,088.75, 150,543.37 and 61,341.68 is: 84,652.02
Step by Step Solution
- Step 1: Write the proportion equation
109,088.75 : 150,543.37 = 61,341.68 : x - Step 2: Convert to fraction form
109,088.75/150,543.37 = 61,341.68/x - Step 3: Cross multiply
109,088.75x = 150,543.37 × 61,341.68 - Step 4: Simplify right side
109,088.75x = 9,234,582,169.24 - Step 5: Solve for x
x = 9,234,582,169.24/109,088.75 - Step 6: Final answer
x = 84,652.02
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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.