Finding the Fourth Proportional to 102,212.84, 141,036.16 and 93,944.94
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Solution
The fourth proportional to 102,212.84, 141,036.16 and 93,944.94 is: 129,627.88
Step by Step Solution
- Step 1: Write the proportion equation
102,212.84 : 141,036.16 = 93,944.94 : x - Step 2: Convert to fraction form
102,212.84/141,036.16 = 93,944.94/x - Step 3: Cross multiply
102,212.84x = 141,036.16 × 93,944.94 - Step 4: Simplify right side
102,212.84x = 13,249,633,589.03 - Step 5: Solve for x
x = 13,249,633,589.03/102,212.84 - Step 6: Final answer
x = 129,627.88
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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.