Finding the Fourth Proportional to 124,953.98, 187,430.96 and 36,207.54
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Solution
The fourth proportional to 124,953.98, 187,430.96 and 36,207.54 is: 54,311.31
Step by Step Solution
- Step 1: Write the proportion equation
124,953.98 : 187,430.96 = 36,207.54 : x - Step 2: Convert to fraction form
124,953.98/187,430.96 = 36,207.54/x - Step 3: Cross multiply
124,953.98x = 187,430.96 × 36,207.54 - Step 4: Simplify right side
124,953.98x = 6,786,413,981.44 - Step 5: Solve for x
x = 6,786,413,981.44/124,953.98 - Step 6: Final answer
x = 54,311.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.