Finding the Fourth Proportional to 94,542.24, 140,763.75 and 93,218.31
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Solution
The fourth proportional to 94,542.24, 140,763.75 and 93,218.31 is: 138,792.55
Step by Step Solution
- Step 1: Write the proportion equation
94,542.24 : 140,763.75 = 93,218.31 : x - Step 2: Convert to fraction form
94,542.24/140,763.75 = 93,218.31/x - Step 3: Cross multiply
94,542.24x = 140,763.75 × 93,218.31 - Step 4: Simplify right side
94,542.24x = 13,121,758,884.26 - Step 5: Solve for x
x = 13,121,758,884.26/94,542.24 - Step 6: Final answer
x = 138,792.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.