Finding the Fourth Proportional to 134,413.80, 201,730.05 and 130,039.80
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Solution
The fourth proportional to 134,413.80, 201,730.05 and 130,039.80 is: 195,165.49
Step by Step Solution
- Step 1: Write the proportion equation
134,413.80 : 201,730.05 = 130,039.80 : x - Step 2: Convert to fraction form
134,413.80/201,730.05 = 130,039.80/x - Step 3: Cross multiply
134,413.80x = 201,730.05 × 130,039.80 - Step 4: Simplify right side
134,413.80x = 26,232,935,355.99 - Step 5: Solve for x
x = 26,232,935,355.99/134,413.80 - Step 6: Final answer
x = 195,165.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.