Finding the Fourth Proportional to 119,878.98, 165,438.39 and 68,908.26
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Solution
The fourth proportional to 119,878.98, 165,438.39 and 68,908.26 is: 95,096.50
Step by Step Solution
- Step 1: Write the proportion equation
119,878.98 : 165,438.39 = 68,908.26 : x - Step 2: Convert to fraction form
119,878.98/165,438.39 = 68,908.26/x - Step 3: Cross multiply
119,878.98x = 165,438.39 × 68,908.26 - Step 4: Simplify right side
119,878.98x = 11,400,071,592.10 - Step 5: Solve for x
x = 11,400,071,592.10/119,878.98 - Step 6: Final answer
x = 95,096.50
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1.5x scale
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.