Finding the Fourth Proportional to 130,148.88, 195,237.84 and 51,252.72
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Solution
The fourth proportional to 130,148.88, 195,237.84 and 51,252.72 is: 76,884.80
Step by Step Solution
- Step 1: Write the proportion equation
130,148.88 : 195,237.84 = 51,252.72 : x - Step 2: Convert to fraction form
130,148.88/195,237.84 = 51,252.72/x - Step 3: Cross multiply
130,148.88x = 195,237.84 × 51,252.72 - Step 4: Simplify right side
130,148.88x = 10,006,470,346.92 - Step 5: Solve for x
x = 10,006,470,346.92/130,148.88 - Step 6: Final answer
x = 76,884.80
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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.