Finding the Fourth Proportional to 124,369.32, 171,621.12 and 73,370.31
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Solution
The fourth proportional to 124,369.32, 171,621.12 and 73,370.31 is: 101,245.99
Step by Step Solution
- Step 1: Write the proportion equation
124,369.32 : 171,621.12 = 73,370.31 : x - Step 2: Convert to fraction form
124,369.32/171,621.12 = 73,370.31/x - Step 3: Cross multiply
124,369.32x = 171,621.12 × 73,370.31 - Step 4: Simplify right side
124,369.32x = 12,591,894,776.95 - Step 5: Solve for x
x = 12,591,894,776.95/124,369.32 - Step 6: Final answer
x = 101,245.99
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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.