Finding the Fourth Proportional to 180,130.68, 248,614.62 and 118,768.92
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Solution
The fourth proportional to 180,130.68, 248,614.62 and 118,768.92 is: 163,923.71
Step by Step Solution
- Step 1: Write the proportion equation
180,130.68 : 248,614.62 = 118,768.92 : x - Step 2: Convert to fraction form
180,130.68/248,614.62 = 118,768.92/x - Step 3: Cross multiply
180,130.68x = 248,614.62 × 118,768.92 - Step 4: Simplify right side
180,130.68x = 29,527,689,913.61 - Step 5: Solve for x
x = 29,527,689,913.61/180,130.68 - Step 6: Final answer
x = 163,923.71
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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.