Finding the Fourth Proportional to 102,207.44, 141,048.96 and 56,888.48
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Solution
The fourth proportional to 102,207.44, 141,048.96 and 56,888.48 is: 78,507.60
Step by Step Solution
- Step 1: Write the proportion equation
102,207.44 : 141,048.96 = 56,888.48 : x - Step 2: Convert to fraction form
102,207.44/141,048.96 = 56,888.48/x - Step 3: Cross multiply
102,207.44x = 141,048.96 × 56,888.48 - Step 4: Simplify right side
102,207.44x = 8,024,060,939.98 - Step 5: Solve for x
x = 8,024,060,939.98/102,207.44 - Step 6: Final answer
x = 78,507.60
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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.