Finding the Fourth Proportional to 130,607.26, 180,240.05 and 73,259.31
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Solution
The fourth proportional to 130,607.26, 180,240.05 and 73,259.31 is: 101,098.99
Step by Step Solution
- Step 1: Write the proportion equation
130,607.26 : 180,240.05 = 73,259.31 : x - Step 2: Convert to fraction form
130,607.26/180,240.05 = 73,259.31/x - Step 3: Cross multiply
130,607.26x = 180,240.05 × 73,259.31 - Step 4: Simplify right side
130,607.26x = 13,204,261,740.43 - Step 5: Solve for x
x = 13,204,261,740.43/130,607.26 - Step 6: Final answer
x = 101,098.99
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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.