Finding the Fourth Proportional to 107,430.60, 161,097.30 and 48,235.80
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Solution
The fourth proportional to 107,430.60, 161,097.30 and 48,235.80 is: 72,331.88
Step by Step Solution
- Step 1: Write the proportion equation
107,430.60 : 161,097.30 = 48,235.80 : x - Step 2: Convert to fraction form
107,430.60/161,097.30 = 48,235.80/x - Step 3: Cross multiply
107,430.60x = 161,097.30 × 48,235.80 - Step 4: Simplify right side
107,430.60x = 7,770,657,143.34 - Step 5: Solve for x
x = 7,770,657,143.34/107,430.60 - Step 6: Final answer
x = 72,331.88
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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.