Finding the Fourth Proportional to 136,752.70, 205,202.68 and 66,632.02
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Solution
The fourth proportional to 136,752.70, 205,202.68 and 66,632.02 is: 99,983.91
Step by Step Solution
- Step 1: Write the proportion equation
136,752.70 : 205,202.68 = 66,632.02 : x - Step 2: Convert to fraction form
136,752.70/205,202.68 = 66,632.02/x - Step 3: Cross multiply
136,752.70x = 205,202.68 × 66,632.02 - Step 4: Simplify right side
136,752.70x = 13,673,069,077.81 - Step 5: Solve for x
x = 13,673,069,077.81/136,752.70 - Step 6: Final answer
x = 99,983.91
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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.