Finding the Fourth Proportional to 114,903.44, 158,501.99 and 68,951.20
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Solution
The fourth proportional to 114,903.44, 158,501.99 and 68,951.20 is: 95,113.80
Step by Step Solution
- Step 1: Write the proportion equation
114,903.44 : 158,501.99 = 68,951.20 : x - Step 2: Convert to fraction form
114,903.44/158,501.99 = 68,951.20/x - Step 3: Cross multiply
114,903.44x = 158,501.99 × 68,951.20 - Step 4: Simplify right side
114,903.44x = 10,928,902,412.89 - Step 5: Solve for x
x = 10,928,902,412.89/114,903.44 - Step 6: Final answer
x = 95,113.80
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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.