Finding the Fourth Proportional to 102,237.36, 141,093.99 and 61,954.65
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Solution
The fourth proportional to 102,237.36, 141,093.99 and 61,954.65 is: 85,501.32
Step by Step Solution
- Step 1: Write the proportion equation
102,237.36 : 141,093.99 = 61,954.65 : x - Step 2: Convert to fraction form
102,237.36/141,093.99 = 61,954.65/x - Step 3: Cross multiply
102,237.36x = 141,093.99 × 61,954.65 - Step 4: Simplify right side
102,237.36x = 8,741,428,767.55 - Step 5: Solve for x
x = 8,741,428,767.55/102,237.36 - Step 6: Final answer
x = 85,501.32
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1.5x scale
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.