Finding the Fourth Proportional to 147,114.74, 203,033.28 and 86,704.84
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Solution
The fourth proportional to 147,114.74, 203,033.28 and 86,704.84 is: 119,661.48
Step by Step Solution
- Step 1: Write the proportion equation
147,114.74 : 203,033.28 = 86,704.84 : x - Step 2: Convert to fraction form
147,114.74/203,033.28 = 86,704.84/x - Step 3: Cross multiply
147,114.74x = 203,033.28 × 86,704.84 - Step 4: Simplify right side
147,114.74x = 17,603,968,057.08 - Step 5: Solve for x
x = 17,603,968,057.08/147,114.74 - Step 6: Final answer
x = 119,661.48
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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.