Finding the Fourth Proportional to 117,652.65, 162,361.68 and 63,937.66
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Solution
The fourth proportional to 117,652.65, 162,361.68 and 63,937.66 is: 88,234.53
Step by Step Solution
- Step 1: Write the proportion equation
117,652.65 : 162,361.68 = 63,937.66 : x - Step 2: Convert to fraction form
117,652.65/162,361.68 = 63,937.66/x - Step 3: Cross multiply
117,652.65x = 162,361.68 × 63,937.66 - Step 4: Simplify right side
117,652.65x = 10,381,025,911.28 - Step 5: Solve for x
x = 10,381,025,911.28/117,652.65 - Step 6: Final answer
x = 88,234.53
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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.