Finding the Fourth Proportional to 135,815.74, 203,759.84 and 47,069.17
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Solution
The fourth proportional to 135,815.74, 203,759.84 and 47,069.17 is: 70,616.31
Step by Step Solution
- Step 1: Write the proportion equation
135,815.74 : 203,759.84 = 47,069.17 : x - Step 2: Convert to fraction form
135,815.74/203,759.84 = 47,069.17/x - Step 3: Cross multiply
135,815.74x = 203,759.84 × 47,069.17 - Step 4: Simplify right side
135,815.74x = 9,590,806,920.51 - Step 5: Solve for x
x = 9,590,806,920.51/135,815.74 - Step 6: Final answer
x = 70,616.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.