Finding the Fourth Proportional to 118,349.02, 163,342.74 and 69,948.96
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Solution
The fourth proportional to 118,349.02, 163,342.74 and 69,948.96 is: 96,542.03
Step by Step Solution
- Step 1: Write the proportion equation
118,349.02 : 163,342.74 = 69,948.96 : x - Step 2: Convert to fraction form
118,349.02/163,342.74 = 69,948.96/x - Step 3: Cross multiply
118,349.02x = 163,342.74 × 69,948.96 - Step 4: Simplify right side
118,349.02x = 11,425,654,786.55 - Step 5: Solve for x
x = 11,425,654,786.55/118,349.02 - Step 6: Final answer
x = 96,542.03
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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.