Finding the Fourth Proportional to 130,197.36, 179,675.40 and 73,612.08
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Solution
The fourth proportional to 130,197.36, 179,675.40 and 73,612.08 is: 101,586.39
Step by Step Solution
- Step 1: Write the proportion equation
130,197.36 : 179,675.40 = 73,612.08 : x - Step 2: Convert to fraction form
130,197.36/179,675.40 = 73,612.08/x - Step 3: Cross multiply
130,197.36x = 179,675.40 × 73,612.08 - Step 4: Simplify right side
130,197.36x = 13,226,279,918.83 - Step 5: Solve for x
x = 13,226,279,918.83/130,197.36 - Step 6: Final answer
x = 101,586.39
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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.