Finding the Fourth Proportional to 133,783.95, 184,619.74 and 73,355.09
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Solution
The fourth proportional to 133,783.95, 184,619.74 and 73,355.09 is: 101,228.87
Step by Step Solution
- Step 1: Write the proportion equation
133,783.95 : 184,619.74 = 73,355.09 : x - Step 2: Convert to fraction form
133,783.95/184,619.74 = 73,355.09/x - Step 3: Cross multiply
133,783.95x = 184,619.74 × 73,355.09 - Step 4: Simplify right side
133,783.95x = 13,542,798,541.73 - Step 5: Solve for x
x = 13,542,798,541.73/133,783.95 - Step 6: Final answer
x = 101,228.87
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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.