Finding the Fourth Proportional to 134,624.67, 185,781.44 and 74,195.18
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Solution
The fourth proportional to 134,624.67, 185,781.44 and 74,195.18 is: 102,389.02
Step by Step Solution
- Step 1: Write the proportion equation
134,624.67 : 185,781.44 = 74,195.18 : x - Step 2: Convert to fraction form
134,624.67/185,781.44 = 74,195.18/x - Step 3: Cross multiply
134,624.67x = 185,781.44 × 74,195.18 - Step 4: Simplify right side
134,624.67x = 13,784,087,474.94 - Step 5: Solve for x
x = 13,784,087,474.94/134,624.67 - Step 6: Final answer
x = 102,389.02
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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.