Finding the Fourth Proportional to 135,908.12, 202,946.90 and 110,997.58
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Solution
The fourth proportional to 135,908.12, 202,946.90 and 110,997.58 is: 165,748.86
Step by Step Solution
- Step 1: Write the proportion equation
135,908.12 : 202,946.90 = 110,997.58 : x - Step 2: Convert to fraction form
135,908.12/202,946.90 = 110,997.58/x - Step 3: Cross multiply
135,908.12x = 202,946.90 × 110,997.58 - Step 4: Simplify right side
135,908.12x = 22,526,614,538.63 - Step 5: Solve for x
x = 22,526,614,538.63/135,908.12 - Step 6: Final answer
x = 165,748.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.