Finding the Fourth Proportional to 117,214.02, 161,754.57 and 63,497.79
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Solution
The fourth proportional to 117,214.02, 161,754.57 and 63,497.79 is: 87,626.53
Step by Step Solution
- Step 1: Write the proportion equation
117,214.02 : 161,754.57 = 63,497.79 : x - Step 2: Convert to fraction form
117,214.02/161,754.57 = 63,497.79/x - Step 3: Cross multiply
117,214.02x = 161,754.57 × 63,497.79 - Step 4: Simplify right side
117,214.02x = 10,271,057,717.40 - Step 5: Solve for x
x = 10,271,057,717.40/117,214.02 - Step 6: Final answer
x = 87,626.53
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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.