Finding the Fourth Proportional to 130,576.86, 180,208.80 and 73,225.98
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Solution
The fourth proportional to 130,576.86, 180,208.80 and 73,225.98 is: 101,058.99
Step by Step Solution
- Step 1: Write the proportion equation
130,576.86 : 180,208.80 = 73,225.98 : x - Step 2: Convert to fraction form
130,576.86/180,208.80 = 73,225.98/x - Step 3: Cross multiply
130,576.86x = 180,208.80 × 73,225.98 - Step 4: Simplify right side
130,576.86x = 13,195,965,984.62 - Step 5: Solve for x
x = 13,195,965,984.62/130,576.86 - Step 6: Final answer
x = 101,058.99
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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.