Finding the Fourth Proportional to 124,199.93, 171,418.28 and 73,209.65
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Solution
The fourth proportional to 124,199.93, 171,418.28 and 73,209.65 is: 101,042.50
Step by Step Solution
- Step 1: Write the proportion equation
124,199.93 : 171,418.28 = 73,209.65 : x - Step 2: Convert to fraction form
124,199.93/171,418.28 = 73,209.65/x - Step 3: Cross multiply
124,199.93x = 171,418.28 × 73,209.65 - Step 4: Simplify right side
124,199.93x = 12,549,471,059.26 - Step 5: Solve for x
x = 12,549,471,059.26/124,199.93 - Step 6: Final answer
x = 101,042.50
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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.