Finding the Fourth Proportional to 106,380.41, 158,791.95 and 93,769.45
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Solution
The fourth proportional to 106,380.41, 158,791.95 and 93,769.45 is: 139,967.82
Step by Step Solution
- Step 1: Write the proportion equation
106,380.41 : 158,791.95 = 93,769.45 : x - Step 2: Convert to fraction form
106,380.41/158,791.95 = 93,769.45/x - Step 3: Cross multiply
106,380.41x = 158,791.95 × 93,769.45 - Step 4: Simplify right side
106,380.41x = 14,889,833,188.19 - Step 5: Solve for x
x = 14,889,833,188.19/106,380.41 - Step 6: Final answer
x = 139,967.82
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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.