Finding the Fourth Proportional to 130,577.13, 195,879.74 and 55,705.19
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Solution
The fourth proportional to 130,577.13, 195,879.74 and 55,705.19 is: 83,563.77
Step by Step Solution
- Step 1: Write the proportion equation
130,577.13 : 195,879.74 = 55,705.19 : x - Step 2: Convert to fraction form
130,577.13/195,879.74 = 55,705.19/x - Step 3: Cross multiply
130,577.13x = 195,879.74 × 55,705.19 - Step 4: Simplify right side
130,577.13x = 10,911,516,875.93 - Step 5: Solve for x
x = 10,911,516,875.93/130,577.13 - Step 6: Final answer
x = 83,563.77
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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.