Finding the Fourth Proportional to 120,731.04, 166,563.12 and 88,975.68
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Solution
The fourth proportional to 120,731.04, 166,563.12 and 88,975.68 is: 122,752.75
Step by Step Solution
- Step 1: Write the proportion equation
120,731.04 : 166,563.12 = 88,975.68 : x - Step 2: Convert to fraction form
120,731.04/166,563.12 = 88,975.68/x - Step 3: Cross multiply
120,731.04x = 166,563.12 × 88,975.68 - Step 4: Simplify right side
120,731.04x = 14,820,066,864.92 - Step 5: Solve for x
x = 14,820,066,864.92/120,731.04 - Step 6: Final answer
x = 122,752.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.