Finding the Fourth Proportional to 133,795.80, 184,646.74 and 88,394.14
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Solution
The fourth proportional to 133,795.80, 184,646.74 and 88,394.14 is: 121,989.55
Step by Step Solution
- Step 1: Write the proportion equation
133,795.80 : 184,646.74 = 88,394.14 : x - Step 2: Convert to fraction form
133,795.80/184,646.74 = 88,394.14/x - Step 3: Cross multiply
133,795.80x = 184,646.74 × 88,394.14 - Step 4: Simplify right side
133,795.80x = 16,321,688,923.03 - Step 5: Solve for x
x = 16,321,688,923.03/133,795.80 - Step 6: Final answer
x = 121,989.55
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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.