Finding the Fourth Proportional to 124,797.44, 172,215.68 and 68,209.60
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Solution
The fourth proportional to 124,797.44, 172,215.68 and 68,209.60 is: 94,126.63
Step by Step Solution
- Step 1: Write the proportion equation
124,797.44 : 172,215.68 = 68,209.60 : x - Step 2: Convert to fraction form
124,797.44/172,215.68 = 68,209.60/x - Step 3: Cross multiply
124,797.44x = 172,215.68 × 68,209.60 - Step 4: Simplify right side
124,797.44x = 11,746,762,646.53 - Step 5: Solve for x
x = 11,746,762,646.53/124,797.44 - Step 6: Final answer
x = 94,126.63
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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.