Finding the Fourth Proportional to 133,683.75, 184,483.58 and 74,067.75
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Solution
The fourth proportional to 133,683.75, 184,483.58 and 74,067.75 is: 102,213.50
Step by Step Solution
- Step 1: Write the proportion equation
133,683.75 : 184,483.58 = 74,067.75 : x - Step 2: Convert to fraction form
133,683.75/184,483.58 = 74,067.75/x - Step 3: Cross multiply
133,683.75x = 184,483.58 × 74,067.75 - Step 4: Simplify right side
133,683.75x = 13,664,283,312.21 - Step 5: Solve for x
x = 13,664,283,312.21/133,683.75 - Step 6: Final answer
x = 102,213.50
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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.