Finding the Fourth Proportional to 114,620.74, 171,814.47 and 106,135.18
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Solution
The fourth proportional to 114,620.74, 171,814.47 and 106,135.18 is: 159,094.77
Step by Step Solution
- Step 1: Write the proportion equation
114,620.74 : 171,814.47 = 106,135.18 : x - Step 2: Convert to fraction form
114,620.74/171,814.47 = 106,135.18/x - Step 3: Cross multiply
114,620.74x = 171,814.47 × 106,135.18 - Step 4: Simplify right side
114,620.74x = 18,235,559,700.05 - Step 5: Solve for x
x = 18,235,559,700.05/114,620.74 - Step 6: Final answer
x = 159,094.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.