Finding the Fourth Proportional to 110,959.33, 153,152.36 and 68,493.46
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Solution
The fourth proportional to 110,959.33, 153,152.36 and 68,493.46 is: 94,538.56
Step by Step Solution
- Step 1: Write the proportion equation
110,959.33 : 153,152.36 = 68,493.46 : x - Step 2: Convert to fraction form
110,959.33/153,152.36 = 68,493.46/x - Step 3: Cross multiply
110,959.33x = 153,152.36 × 68,493.46 - Step 4: Simplify right side
110,959.33x = 10,489,935,043.57 - Step 5: Solve for x
x = 10,489,935,043.57/110,959.33 - Step 6: Final answer
x = 94,538.56
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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.