Finding the Fourth Proportional to 130,259.99, 179,792.57 and 73,704.17
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Solution
The fourth proportional to 130,259.99, 179,792.57 and 73,704.17 is: 101,730.87
Step by Step Solution
- Step 1: Write the proportion equation
130,259.99 : 179,792.57 = 73,704.17 : x - Step 2: Convert to fraction form
130,259.99/179,792.57 = 73,704.17/x - Step 3: Cross multiply
130,259.99x = 179,792.57 × 73,704.17 - Step 4: Simplify right side
130,259.99x = 13,251,461,429.31 - Step 5: Solve for x
x = 13,251,461,429.31/130,259.99 - Step 6: Final answer
x = 101,730.87
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1.5x scale
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.