Finding the Fourth Proportional to 130,527.13, 195,804.36 and 55,655.18
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Solution
The fourth proportional to 130,527.13, 195,804.36 and 55,655.18 is: 83,488.60
Step by Step Solution
- Step 1: Write the proportion equation
130,527.13 : 195,804.36 = 55,655.18 : x - Step 2: Convert to fraction form
130,527.13/195,804.36 = 55,655.18/x - Step 3: Cross multiply
130,527.13x = 195,804.36 × 55,655.18 - Step 4: Simplify right side
130,527.13x = 10,897,527,390.10 - Step 5: Solve for x
x = 10,897,527,390.10/130,527.13 - Step 6: Final answer
x = 83,488.60
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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.