Finding the Fourth Proportional to 130,261.99, 179,795.34 and 73,706.17
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Solution
The fourth proportional to 130,261.99, 179,795.34 and 73,706.17 is: 101,733.64
Step by Step Solution
- Step 1: Write the proportion equation
130,261.99 : 179,795.34 = 73,706.17 : x - Step 2: Convert to fraction form
130,261.99/179,795.34 = 73,706.17/x - Step 3: Cross multiply
130,261.99x = 179,795.34 × 73,706.17 - Step 4: Simplify right side
130,261.99x = 13,252,025,895.25 - Step 5: Solve for x
x = 13,252,025,895.25/130,261.99 - Step 6: Final answer
x = 101,733.64
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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.