Finding the Fourth Proportional to 102,256.14, 141,112.35 and 56,933.13
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Solution
The fourth proportional to 102,256.14, 141,112.35 and 56,933.13 is: 78,567.09
Step by Step Solution
- Step 1: Write the proportion equation
102,256.14 : 141,112.35 = 56,933.13 : x - Step 2: Convert to fraction form
102,256.14/141,112.35 = 56,933.13/x - Step 3: Cross multiply
102,256.14x = 141,112.35 × 56,933.13 - Step 4: Simplify right side
102,256.14x = 8,033,967,767.16 - Step 5: Solve for x
x = 8,033,967,767.16/102,256.14 - Step 6: Final answer
x = 78,567.09
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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.