Finding the Fourth Proportional to 117,119.06, 161,624.36 and 63,404.08
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Solution
The fourth proportional to 117,119.06, 161,624.36 and 63,404.08 is: 87,497.66
Step by Step Solution
- Step 1: Write the proportion equation
117,119.06 : 161,624.36 = 63,404.08 : x - Step 2: Convert to fraction form
117,119.06/161,624.36 = 63,404.08/x - Step 3: Cross multiply
117,119.06x = 161,624.36 × 63,404.08 - Step 4: Simplify right side
117,119.06x = 10,247,643,851.39 - Step 5: Solve for x
x = 10,247,643,851.39/117,119.06 - Step 6: Final answer
x = 87,497.66
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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.