Finding the Fourth Proportional to 156,936.05, 216,368.46 and 101,647.00
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Solution
The fourth proportional to 156,936.05, 216,368.46 and 101,647.00 is: 140,141.19
Step by Step Solution
- Step 1: Write the proportion equation
156,936.05 : 216,368.46 = 101,647.00 : x - Step 2: Convert to fraction form
156,936.05/216,368.46 = 101,647.00/x - Step 3: Cross multiply
156,936.05x = 216,368.46 × 101,647.00 - Step 4: Simplify right side
156,936.05x = 21,993,203,771.78 - Step 5: Solve for x
x = 21,993,203,771.78/156,936.05 - Step 6: Final answer
x = 140,141.19
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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.