Finding the Fourth Proportional to 130,132.67, 195,227.73 and 55,316.75
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Solution
The fourth proportional to 130,132.67, 195,227.73 and 55,316.75 is: 82,987.33
Step by Step Solution
- Step 1: Write the proportion equation
130,132.67 : 195,227.73 = 55,316.75 : x - Step 2: Convert to fraction form
130,132.67/195,227.73 = 55,316.75/x - Step 3: Cross multiply
130,132.67x = 195,227.73 × 55,316.75 - Step 4: Simplify right side
130,132.67x = 10,799,362,557.34 - Step 5: Solve for x
x = 10,799,362,557.34/130,132.67 - Step 6: Final answer
x = 82,987.33
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1.5x scale
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.