Finding the Fourth Proportional to 124,896.47, 172,358.48 and 68,306.63
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Solution
The fourth proportional to 124,896.47, 172,358.48 and 68,306.63 is: 94,263.89
Step by Step Solution
- Step 1: Write the proportion equation
124,896.47 : 172,358.48 = 68,306.63 : x - Step 2: Convert to fraction form
124,896.47/172,358.48 = 68,306.63/x - Step 3: Cross multiply
124,896.47x = 172,358.48 × 68,306.63 - Step 4: Simplify right side
124,896.47x = 11,773,226,229.70 - Step 5: Solve for x
x = 11,773,226,229.70/124,896.47 - Step 6: Final answer
x = 94,263.89
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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.