Finding the Fourth Proportional to 133,657.75, 184,447.70 and 74,041.75
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Solution
The fourth proportional to 133,657.75, 184,447.70 and 74,041.75 is: 102,177.62
Step by Step Solution
- Step 1: Write the proportion equation
133,657.75 : 184,447.70 = 74,041.75 : x - Step 2: Convert to fraction form
133,657.75/184,447.70 = 74,041.75/x - Step 3: Cross multiply
133,657.75x = 184,447.70 × 74,041.75 - Step 4: Simplify right side
133,657.75x = 13,656,830,491.48 - Step 5: Solve for x
x = 13,656,830,491.48/133,657.75 - Step 6: Final answer
x = 102,177.62
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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.