Finding the Fourth Proportional to 102,334.80, 141,146.58 and 68,326.95
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Solution
The fourth proportional to 102,334.80, 141,146.58 and 68,326.95 is: 94,240.82
Step by Step Solution
- Step 1: Write the proportion equation
102,334.80 : 141,146.58 = 68,326.95 : x - Step 2: Convert to fraction form
102,334.80/141,146.58 = 68,326.95/x - Step 3: Cross multiply
102,334.80x = 141,146.58 × 68,326.95 - Step 4: Simplify right side
102,334.80x = 9,644,115,314.33 - Step 5: Solve for x
x = 9,644,115,314.33/102,334.80 - Step 6: Final answer
x = 94,240.82
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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.