Finding the Fourth Proportional to 124,907.59, 172,368.97 and 68,317.75
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Solution
The fourth proportional to 124,907.59, 172,368.97 and 68,317.75 is: 94,276.58
Step by Step Solution
- Step 1: Write the proportion equation
124,907.59 : 172,368.97 = 68,317.75 : x - Step 2: Convert to fraction form
124,907.59/172,368.97 = 68,317.75/x - Step 3: Cross multiply
124,907.59x = 172,368.97 × 68,317.75 - Step 4: Simplify right side
124,907.59x = 11,775,860,200.22 - Step 5: Solve for x
x = 11,775,860,200.22/124,907.59 - Step 6: Final answer
x = 94,276.58
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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.