Finding the Fourth Proportional to 130,797.29, 180,555.11 and 88,413.23
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Solution
The fourth proportional to 130,797.29, 180,555.11 and 88,413.23 is: 122,047.33
Step by Step Solution
- Step 1: Write the proportion equation
130,797.29 : 180,555.11 = 88,413.23 : x - Step 2: Convert to fraction form
130,797.29/180,555.11 = 88,413.23/x - Step 3: Cross multiply
130,797.29x = 180,555.11 × 88,413.23 - Step 4: Simplify right side
130,797.29x = 15,963,460,808.98 - Step 5: Solve for x
x = 15,963,460,808.98/130,797.29 - Step 6: Final answer
x = 122,047.33
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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.