Finding the Fourth Proportional to 118,767.08, 163,898.64 and 65,052.08
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Solution
The fourth proportional to 118,767.08, 163,898.64 and 65,052.08 is: 89,771.91
Step by Step Solution
- Step 1: Write the proportion equation
118,767.08 : 163,898.64 = 65,052.08 : x - Step 2: Convert to fraction form
118,767.08/163,898.64 = 65,052.08/x - Step 3: Cross multiply
118,767.08x = 163,898.64 × 65,052.08 - Step 4: Simplify right side
118,767.08x = 10,661,947,441.17 - Step 5: Solve for x
x = 10,661,947,441.17/118,767.08 - Step 6: Final answer
x = 89,771.91
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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.