Finding the Fourth Proportional to 134,559.75, 185,692.46 and 74,943.75
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Solution
The fourth proportional to 134,559.75, 185,692.46 and 74,943.75 is: 103,422.38
Step by Step Solution
- Step 1: Write the proportion equation
134,559.75 : 185,692.46 = 74,943.75 : x - Step 2: Convert to fraction form
134,559.75/185,692.46 = 74,943.75/x - Step 3: Cross multiply
134,559.75x = 185,692.46 × 74,943.75 - Step 4: Simplify right side
134,559.75x = 13,916,489,299.13 - Step 5: Solve for x
x = 13,916,489,299.13/134,559.75 - Step 6: Final answer
x = 103,422.38
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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.