Finding the Fourth Proportional to 133,519.92, 183,275.76 and 118,074.12
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Solution
The fourth proportional to 133,519.92, 183,275.76 and 118,074.12 is: 162,074.12
Step by Step Solution
- Step 1: Write the proportion equation
133,519.92 : 183,275.76 = 118,074.12 : x - Step 2: Convert to fraction form
133,519.92/183,275.76 = 118,074.12/x - Step 3: Cross multiply
133,519.92x = 183,275.76 × 118,074.12 - Step 4: Simplify right side
133,519.92x = 21,640,124,079.33 - Step 5: Solve for x
x = 21,640,124,079.33/133,519.92 - Step 6: Final answer
x = 162,074.12
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.