Finding the Fourth Proportional to 113,962.43, 157,273.65 and 68,654.63
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Solution
The fourth proportional to 113,962.43, 157,273.65 and 68,654.63 is: 94,746.70
Step by Step Solution
- Step 1: Write the proportion equation
113,962.43 : 157,273.65 = 68,654.63 : x - Step 2: Convert to fraction form
113,962.43/157,273.65 = 68,654.63/x - Step 3: Cross multiply
113,962.43x = 157,273.65 × 68,654.63 - Step 4: Simplify right side
113,962.43x = 10,797,563,463.13 - Step 5: Solve for x
x = 10,797,563,463.13/113,962.43 - Step 6: Final answer
x = 94,746.70
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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.