Finding the Fourth Proportional to 118,045.62, 162,902.99 and 64,330.65
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Solution
The fourth proportional to 118,045.62, 162,902.99 and 64,330.65 is: 88,776.32
Step by Step Solution
- Step 1: Write the proportion equation
118,045.62 : 162,902.99 = 64,330.65 : x - Step 2: Convert to fraction form
118,045.62/162,902.99 = 64,330.65/x - Step 3: Cross multiply
118,045.62x = 162,902.99 × 64,330.65 - Step 4: Simplify right side
118,045.62x = 10,479,655,233.64 - Step 5: Solve for x
x = 10,479,655,233.64/118,045.62 - Step 6: Final answer
x = 88,776.32
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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.