Finding the Fourth Proportional to 113,605.62, 170,220.11 and 69,097.74
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Solution
The fourth proportional to 113,605.62, 170,220.11 and 69,097.74 is: 103,532.07
Step by Step Solution
- Step 1: Write the proportion equation
113,605.62 : 170,220.11 = 69,097.74 : x - Step 2: Convert to fraction form
113,605.62/170,220.11 = 69,097.74/x - Step 3: Cross multiply
113,605.62x = 170,220.11 × 69,097.74 - Step 4: Simplify right side
113,605.62x = 11,761,824,558.06 - Step 5: Solve for x
x = 11,761,824,558.06/113,605.62 - Step 6: Final answer
x = 103,532.07
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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.