Finding the Fourth Proportional to 130,458.69, 195,743.75 and 55,614.08
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Solution
The fourth proportional to 130,458.69, 195,743.75 and 55,614.08 is: 83,444.87
Step by Step Solution
- Step 1: Write the proportion equation
130,458.69 : 195,743.75 = 55,614.08 : x - Step 2: Convert to fraction form
130,458.69/195,743.75 = 55,614.08/x - Step 3: Cross multiply
130,458.69x = 195,743.75 × 55,614.08 - Step 4: Simplify right side
130,458.69x = 10,886,108,783.29 - Step 5: Solve for x
x = 10,886,108,783.29/130,458.69 - Step 6: Final answer
x = 83,444.87
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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.