Finding the Fourth Proportional to 124,902.58, 172,369.65 and 68,313.95
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Solution
The fourth proportional to 124,902.58, 172,369.65 and 68,313.95 is: 94,275.49
Step by Step Solution
- Step 1: Write the proportion equation
124,902.58 : 172,369.65 = 68,313.95 : x - Step 2: Convert to fraction form
124,902.58/172,369.65 = 68,313.95/x - Step 3: Cross multiply
124,902.58x = 172,369.65 × 68,313.95 - Step 4: Simplify right side
124,902.58x = 11,775,251,651.62 - Step 5: Solve for x
x = 11,775,251,651.62/124,902.58 - Step 6: Final answer
x = 94,275.49
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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.