Finding the Fourth Proportional to 130,394.68, 179,938.40 and 80,083.96
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Solution
The fourth proportional to 130,394.68, 179,938.40 and 80,083.96 is: 110,512.02
Step by Step Solution
- Step 1: Write the proportion equation
130,394.68 : 179,938.40 = 80,083.96 : x - Step 2: Convert to fraction form
130,394.68/179,938.40 = 80,083.96/x - Step 3: Cross multiply
130,394.68x = 179,938.40 × 80,083.96 - Step 4: Simplify right side
130,394.68x = 14,410,179,628.06 - Step 5: Solve for x
x = 14,410,179,628.06/130,394.68 - Step 6: Final answer
x = 110,512.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.