Finding the Fourth Proportional to 125,274.24, 172,885.52 and 74,317.14
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Solution
The fourth proportional to 125,274.24, 172,885.52 and 74,317.14 is: 102,561.85
Step by Step Solution
- Step 1: Write the proportion equation
125,274.24 : 172,885.52 = 74,317.14 : x - Step 2: Convert to fraction form
125,274.24/172,885.52 = 74,317.14/x - Step 3: Cross multiply
125,274.24x = 172,885.52 × 74,317.14 - Step 4: Simplify right side
125,274.24x = 12,848,357,579.61 - Step 5: Solve for x
x = 12,848,357,579.61/125,274.24 - Step 6: Final answer
x = 102,561.85
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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.