Finding the Fourth Proportional to 118,798.62, 163,944.99 and 65,083.68
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Solution
The fourth proportional to 118,798.62, 163,944.99 and 65,083.68 is: 89,817.06
Step by Step Solution
- Step 1: Write the proportion equation
118,798.62 : 163,944.99 = 65,083.68 : x - Step 2: Convert to fraction form
118,798.62/163,944.99 = 65,083.68/x - Step 3: Cross multiply
118,798.62x = 163,944.99 × 65,083.68 - Step 4: Simplify right side
118,798.62x = 10,670,143,266.76 - Step 5: Solve for x
x = 10,670,143,266.76/118,798.62 - Step 6: Final answer
x = 89,817.06
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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.