Finding the Fourth Proportional to 136,050.24, 187,752.80 and 74,795.68
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Solution
The fourth proportional to 136,050.24, 187,752.80 and 74,795.68 is: 103,219.95
Step by Step Solution
- Step 1: Write the proportion equation
136,050.24 : 187,752.80 = 74,795.68 : x - Step 2: Convert to fraction form
136,050.24/187,752.80 = 74,795.68/x - Step 3: Cross multiply
136,050.24x = 187,752.80 × 74,795.68 - Step 4: Simplify right side
136,050.24x = 14,043,098,347.90 - Step 5: Solve for x
x = 14,043,098,347.90/136,050.24 - Step 6: Final answer
x = 103,219.95
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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.