Finding the Fourth Proportional to 106,740.48, 159,137.79 and 104,014.02
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Solution
The fourth proportional to 106,740.48, 159,137.79 and 104,014.02 is: 155,072.95
Step by Step Solution
- Step 1: Write the proportion equation
106,740.48 : 159,137.79 = 104,014.02 : x - Step 2: Convert to fraction form
106,740.48/159,137.79 = 104,014.02/x - Step 3: Cross multiply
106,740.48x = 159,137.79 × 104,014.02 - Step 4: Simplify right side
106,740.48x = 16,552,561,271.82 - Step 5: Solve for x
x = 16,552,561,271.82/106,740.48 - Step 6: Final answer
x = 155,072.95
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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.