Finding the Fourth Proportional to 107,194.95, 147,807.88 and 68,381.00
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Solution
The fourth proportional to 107,194.95, 147,807.88 and 68,381.00 is: 94,288.49
Step by Step Solution
- Step 1: Write the proportion equation
107,194.95 : 147,807.88 = 68,381.00 : x - Step 2: Convert to fraction form
107,194.95/147,807.88 = 68,381.00/x - Step 3: Cross multiply
107,194.95x = 147,807.88 × 68,381.00 - Step 4: Simplify right side
107,194.95x = 10,107,250,415.28 - Step 5: Solve for x
x = 10,107,250,415.28/107,194.95 - Step 6: Final answer
x = 94,288.49
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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.