Finding the Fourth Proportional to 104,936.68, 144,808.98 and 57,189.08
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Solution
The fourth proportional to 104,936.68, 144,808.98 and 57,189.08 is: 78,918.95
Step by Step Solution
- Step 1: Write the proportion equation
104,936.68 : 144,808.98 = 57,189.08 : x - Step 2: Convert to fraction form
104,936.68/144,808.98 = 57,189.08/x - Step 3: Cross multiply
104,936.68x = 144,808.98 × 57,189.08 - Step 4: Simplify right side
104,936.68x = 8,281,492,341.94 - Step 5: Solve for x
x = 8,281,492,341.94/104,936.68 - Step 6: Final answer
x = 78,918.95
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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.