Finding the Fourth Proportional to 130,187.46, 195,110.52 and 74,053.38
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Solution
The fourth proportional to 130,187.46, 195,110.52 and 74,053.38 is: 110,982.99
Step by Step Solution
- Step 1: Write the proportion equation
130,187.46 : 195,110.52 = 74,053.38 : x - Step 2: Convert to fraction form
130,187.46/195,110.52 = 74,053.38/x - Step 3: Cross multiply
130,187.46x = 195,110.52 × 74,053.38 - Step 4: Simplify right side
130,187.46x = 14,448,593,479.56 - Step 5: Solve for x
x = 14,448,593,479.56/130,187.46 - Step 6: Final answer
x = 110,982.99
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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.