Finding the Fourth Proportional to 104,395.15, 144,068.50 and 61,366.75
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Solution
The fourth proportional to 104,395.15, 144,068.50 and 61,366.75 is: 84,687.99
Step by Step Solution
- Step 1: Write the proportion equation
104,395.15 : 144,068.50 = 61,366.75 : x - Step 2: Convert to fraction form
104,395.15/144,068.50 = 61,366.75/x - Step 3: Cross multiply
104,395.15x = 144,068.50 × 61,366.75 - Step 4: Simplify right side
104,395.15x = 8,841,015,166.32 - Step 5: Solve for x
x = 8,841,015,166.32/104,395.15 - Step 6: Final answer
x = 84,687.99
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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.