Finding the Fourth Proportional to 119,545.24, 164,903.52 and 74,755.48
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Solution
The fourth proportional to 119,545.24, 164,903.52 and 74,755.48 is: 103,119.47
Step by Step Solution
- Step 1: Write the proportion equation
119,545.24 : 164,903.52 = 74,755.48 : x - Step 2: Convert to fraction form
119,545.24/164,903.52 = 74,755.48/x - Step 3: Cross multiply
119,545.24x = 164,903.52 × 74,755.48 - Step 4: Simplify right side
119,545.24x = 12,327,441,791.29 - Step 5: Solve for x
x = 12,327,441,791.29/119,545.24 - Step 6: Final answer
x = 103,119.47
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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.