Finding the Fourth Proportional to 130,178.09, 195,344.73 and 58,125.40
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Solution
The fourth proportional to 130,178.09, 195,344.73 and 58,125.40 is: 87,222.75
Step by Step Solution
- Step 1: Write the proportion equation
130,178.09 : 195,344.73 = 58,125.40 : x - Step 2: Convert to fraction form
130,178.09/195,344.73 = 58,125.40/x - Step 3: Cross multiply
130,178.09x = 195,344.73 × 58,125.40 - Step 4: Simplify right side
130,178.09x = 11,354,490,569.14 - Step 5: Solve for x
x = 11,354,490,569.14/130,178.09 - Step 6: Final answer
x = 87,222.75
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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.