Finding the Fourth Proportional to 118,631.16, 163,752.84 and 73,344.12
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Solution
The fourth proportional to 118,631.16, 163,752.84 and 73,344.12 is: 101,240.75
Step by Step Solution
- Step 1: Write the proportion equation
118,631.16 : 163,752.84 = 73,344.12 : x - Step 2: Convert to fraction form
118,631.16/163,752.84 = 73,344.12/x - Step 3: Cross multiply
118,631.16x = 163,752.84 × 73,344.12 - Step 4: Simplify right side
118,631.16x = 12,010,307,947.30 - Step 5: Solve for x
x = 12,010,307,947.30/118,631.16 - Step 6: Final answer
x = 101,240.75
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1.5x scale
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.