Finding the Fourth Proportional to 124,841.10, 172,281.21 and 68,253.42
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Solution
The fourth proportional to 124,841.10, 172,281.21 and 68,253.42 is: 94,189.99
Step by Step Solution
- Step 1: Write the proportion equation
124,841.10 : 172,281.21 = 68,253.42 : x - Step 2: Convert to fraction form
124,841.10/172,281.21 = 68,253.42/x - Step 3: Cross multiply
124,841.10x = 172,281.21 × 68,253.42 - Step 4: Simplify right side
124,841.10x = 11,758,781,784.24 - Step 5: Solve for x
x = 11,758,781,784.24/124,841.10 - Step 6: Final answer
x = 94,189.99
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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.