Finding the Fourth Proportional to 124,906.44, 172,368.74 and 68,316.60
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Solution
The fourth proportional to 124,906.44, 172,368.74 and 68,316.60 is: 94,275.73
Step by Step Solution
- Step 1: Write the proportion equation
124,906.44 : 172,368.74 = 68,316.60 : x - Step 2: Convert to fraction form
124,906.44/172,368.74 = 68,316.60/x - Step 3: Cross multiply
124,906.44x = 172,368.74 × 68,316.60 - Step 4: Simplify right side
124,906.44x = 11,775,646,263.08 - Step 5: Solve for x
x = 11,775,646,263.08/124,906.44 - Step 6: Final answer
x = 94,275.73
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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.