Finding the Fourth Proportional to 107,952.02, 161,925.60 and 48,771.80
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Solution
The fourth proportional to 107,952.02, 161,925.60 and 48,771.80 is: 73,156.60
Step by Step Solution
- Step 1: Write the proportion equation
107,952.02 : 161,925.60 = 48,771.80 : x - Step 2: Convert to fraction form
107,952.02/161,925.60 = 48,771.80/x - Step 3: Cross multiply
107,952.02x = 161,925.60 × 48,771.80 - Step 4: Simplify right side
107,952.02x = 7,897,402,978.08 - Step 5: Solve for x
x = 7,897,402,978.08/107,952.02 - Step 6: Final answer
x = 73,156.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.