Finding the Fourth Proportional to 106,738.98, 159,135.56 and 104,012.52
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Solution
The fourth proportional to 106,738.98, 159,135.56 and 104,012.52 is: 155,070.72
Step by Step Solution
- Step 1: Write the proportion equation
106,738.98 : 159,135.56 = 104,012.52 : x - Step 2: Convert to fraction form
106,738.98/159,135.56 = 104,012.52/x - Step 3: Cross multiply
106,738.98x = 159,135.56 × 104,012.52 - Step 4: Simplify right side
106,738.98x = 16,552,090,097.15 - Step 5: Solve for x
x = 16,552,090,097.15/106,738.98 - Step 6: Final answer
x = 155,070.72
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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.