Finding the Fourth Proportional to 124,963.44, 172,449.36 and 68,374.80
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Solution
The fourth proportional to 124,963.44, 172,449.36 and 68,374.80 is: 94,357.12
Step by Step Solution
- Step 1: Write the proportion equation
124,963.44 : 172,449.36 = 68,374.80 : x - Step 2: Convert to fraction form
124,963.44/172,449.36 = 68,374.80/x - Step 3: Cross multiply
124,963.44x = 172,449.36 × 68,374.80 - Step 4: Simplify right side
124,963.44x = 11,791,190,500.13 - Step 5: Solve for x
x = 11,791,190,500.13/124,963.44 - Step 6: Final answer
x = 94,357.12
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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.