Finding the Fourth Proportional to 136,898.06, 188,900.64 and 76,460.99
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Solution
The fourth proportional to 136,898.06, 188,900.64 and 76,460.99 is: 105,505.73
Step by Step Solution
- Step 1: Write the proportion equation
136,898.06 : 188,900.64 = 76,460.99 : x - Step 2: Convert to fraction form
136,898.06/188,900.64 = 76,460.99/x - Step 3: Cross multiply
136,898.06x = 188,900.64 × 76,460.99 - Step 4: Simplify right side
136,898.06x = 14,443,529,001.53 - Step 5: Solve for x
x = 14,443,529,001.53/136,898.06 - Step 6: Final answer
x = 105,505.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.