Finding the Fourth Proportional to 104,431.18, 144,115.14 and 56,684.52
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Solution
The fourth proportional to 104,431.18, 144,115.14 and 56,684.52 is: 78,224.70
Step by Step Solution
- Step 1: Write the proportion equation
104,431.18 : 144,115.14 = 56,684.52 : x - Step 2: Convert to fraction form
104,431.18/144,115.14 = 56,684.52/x - Step 3: Cross multiply
104,431.18x = 144,115.14 × 56,684.52 - Step 4: Simplify right side
104,431.18x = 8,169,097,535.63 - Step 5: Solve for x
x = 8,169,097,535.63/104,431.18 - Step 6: Final answer
x = 78,224.70
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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.