Finding the Fourth Proportional to 133,875.99, 184,597.38 and 85,413.08
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Solution
The fourth proportional to 133,875.99, 184,597.38 and 85,413.08 is: 117,773.41
Step by Step Solution
- Step 1: Write the proportion equation
133,875.99 : 184,597.38 = 85,413.08 : x - Step 2: Convert to fraction form
133,875.99/184,597.38 = 85,413.08/x - Step 3: Cross multiply
133,875.99x = 184,597.38 × 85,413.08 - Step 4: Simplify right side
133,875.99x = 15,767,031,247.22 - Step 5: Solve for x
x = 15,767,031,247.22/133,875.99 - Step 6: Final answer
x = 117,773.41
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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.